Is extended fasting “the miracle” for the human body?

From Crisis to Cure: Experiment with Prolonged Fasting
A Story of Sugar, Survival, and Radical Transformation

The creation of this article occurred under rather extraordinary circumstances: it was composed and written entirely during an extended, personal period of sustained fasting. This intensive cognitive and creative effort spanned a duration exceeding one hundred hours, a phase during which I abstained from caloric intake. The unique physiological and mental state induced by such a prolonged fast is deeply intertwined with the themes, clarity, and intellectual focus present in the piece. 

The fundamental goal of this document is to serve as a vital link between the general public, who may have limited specialised knowledge, and the community of health and medical professionals. Consequently, the entire presentation—including the chosen stylistic elements, the level of technical vocabulary employed, and the overarching structural organisation—has been deliberately crafted to be distinctly accessible and more user-friendly. This represents a conscious departure from the often dense, jargon-heavy, and formally structured characteristics typically inherent in academic journals, specialised expert reports, or highly technical professional publications intended solely for peer review or expert consultation. Our aim is maximum comprehensibility and broad engagement, not niche scholarly documentation.

This article delves into the profound, multi-systemic effects of extended fasting (specifically, durations ranging from 75 to 120 hours) on the human body, exploring whether it can truly be considered a "miracle" intervention for a wide array of health challenges. The discussion is grounded in the metabolic shifts and physiological adaptations that occur during prolonged periods of abstinence from caloric intake.

Key Areas of Focus and Transformation

The analysis is centred on the transformative potential of extended fasting across critical biological systems and specific health metrics:

Metabolic and Weight Management

• Metabolic Flexibility in Tissues and Organs: A primary focus is on the body's ability to transition efficiently between utilising glucose (sugar-based) and ketones (fat-based) for fuel. Extended fasting forces the body to dramatically enhance its metabolic flexibility, moving the individual from being predominantly a Sugar-based body to a more efficient Fat-based body. This shift is crucial for sustained energy and health.
• Body Weight and Composition Transformation: The documented results highlight significant changes in anthropometric measurements:
  • Body Weight: A remarkable reduction is explored, moving from an initial weight of 87 kg to a goal of 50 kg.
  • Waist Circumference: Parallel to the weight loss, a drastic reduction in central adiposity is examined, going from 50 inches to 27 inches. This suggests a powerful reduction in Body fat and visceral fat, the latter being particularly linked to metabolic disease risk.

Cardiovascular Health Improvement

• Ventricular Improvement and Cardiac Risk Reduction: One of the most critical areas is the impact on the heart. The investigation covers the potential for Ventricular Improvement, specifically in the context of avoiding the necessity of a significant medical intervention, such as the implantation of a Cardioverter-Defibrillator (ICD).
• Systemic Cardiovascular Markers: The article addresses chronic issues that typically strain the cardiovascular system:
  • High & Fluctuating Heart Rate: Fasting's role in stabilising and reducing an abnormally high resting heart rate.
  • High Blood Pressure: The potential for extended fasting to naturally lower hypertension.

Diabetes and Insulin Regulation

• Addressing Insulin Resistance and Glucose Dysregulation: Extended fasting is presented as a powerful tool to reset the body's sensitivity to insulin, directly impacting:
  • Insulin Resistance/ Diabetes/ Pre-diabetes: The potential to reverse or significantly mitigate these conditions by resting the pancreas and draining excess glucose stores.
  • Craving/ Hunger: By stabilising blood sugar and shifting to fat metabolism, fasting helps break the cycle of constant Craving/ hunger driven by insulin spikes.

Energy, Endurance, and Physical Performance

• Body Energy Stability: The shift to ketone-based energy, which is a more sustained and stable fuel source than glucose, leads to dramatic improvements in Body energy stability. This counteracts the energy peaks and crashes associated with a high-sugar diet.
• Physical Capabilities: The article examines the benefits for Endurance, strength, flexibility, suggesting that fasting protocols can enhance physical performance and recovery.

Gastrointestinal and Micronutrient Health

• Gut Health and Bacterial Balance: The impact of fasting on the microbiome is explored, specifically in relation to the presence of problematic bacteria like Helicobacter Pylori bacteria. Fasting can act as a natural cleanse, influencing the gut environment.
• Drug Side Effects and Gut Function: The resolution of unpleasant side effects related to medications, such as Aspirin medicine side effects/ very smelly flatus, points to improved gastrointestinal tract health and reduced systemic inflammation.
• Micronutrient Status: While fasting itself restricts intake, the article discusses how improved absorption and cellular function may impact chronic issues related to Deficiency/inefficiency of minerals and vitamins.

Cognitive Function and Musculoskeletal Health

• Neurological Clarity: The benefit of ketones as a preferred brain fuel is linked to improvements in Brain focus and memory.
• Pain Management: The reduction in inflammation across the body is examined as a factor in resolving localised discomfort, such as High Pain on calves muscles.

The Core Mechanism: Extended Fasting

Heart Attack: A Personal Account

The narrative of my sudden heart attack in late 2020 is a stark reminder that apparent fitness is not always synonymous with underlying health. For nearly a decade, until early 2022, my body, approximately 158 cm tall, maintained a stable average weight of 75 kg. On the surface, I was the picture of health. I had absolutely no history of the common cardiovascular risk factors: no diabetes, no blood pressure issues, low cholesterol, and normal triglyceride levels. My lifestyle was deliberately maintained to avoid such ailments: I strictly avoided processed foods, cigarettes, and alcohol, adhered to a low-salt intake, and primarily consumed vegetarian meals. I genuinely believed my body was in excellent condition.

Yet, lurking beneath this veneer of fitness were a couple of persistent, though seemingly unrelated, health issues that plagued me for over a decade. The first was the presence of Helicobacter Pylori bacteria, which, even after doctors confirmed its eradication, left me susceptible to recurrent, high episodes of vomiting. The second was an intense, unbearable pain that would shoot through my calves and feet whenever I walked. Medical explanations for this calf pain varied, with suggestions ranging from flat feet to other biomechanical issues. Since cycling provided a completely pain-free form of exercise, it became my preferred and primary mode of physical activity, complementing my resistance training routine.

Despite my healthy eating habits, I had developed an almost constant urge to eat something every few hours, regardless of the size. These were often intense cravings, specifically for sweet and carb-filled foods. Honey became my frequent indulgence, a "go-to" snack that I would consume several times throughout the day—a habit I now view with profound retrospective caution. My daily fitness routine was vigorous, consistently incorporating both cycling and resistance exercises using 20 kg dumbbells.

The morning the heart attack struck, in late November 2020, began like any other. I was deep into my standard workout, having spent an hour and a half to two hours engaging in resistance exercises with the 20 kg dumbbells. It was approximately an hour and a half into this routine when an abrupt, searing pain pierced my heart. Simultaneously, I felt an urgent need to urinate. As I attempted to walk to the toilet, my vision blurred, everything went black, and I lost consciousness for a couple of minutes.

Given that I had been consistently performing these strenuous exercises for many months, my immediate thought upon regaining consciousness was that I might have merely strained a muscle or experienced some inexplicable cause of soreness. Hoping to alleviate the discomfort, I lay down and switched sides, waiting for the feeling to subside. However, two to three hours passed with no improvement. It never once occurred to me that I could be experiencing a heart attack; after all, there was no history of heart disease in my immediate family.

It was my wife, keenly aware of a history of heart attacks in her own family, who suspected the severity of the situation. We immediately drove to the nearest government hospital in Canberra. Just a few hours after our arrival, the gravity of the situation became undeniable: I suddenly lost consciousness again and collapsed.

When I woke up, the world was a blurry rush of motion. Doctors and medical staff were intensely focused on me, a whirlwind of activity. I found myself in a critical state, with tubes inserted into my body—likely through incisions on my wrist for an angiogram and potentially punctures in my throat for monitoring. For the next 24 hours, I remained in this precarious situation. The immediate crisis management involved the implantation of one stent into my coronary artery. A second stent was required and implanted a few days later. In total, my recovery involved several days in the Intensive Care Unit (ICU), followed by a further period in the hospital's acute cardiac ward.

The aftermath of the heart attack revealed significant ventricular damage. This damage raised the serious possibility that I would require an Implantable Cardioverter Defibrillator (ICD) transplant—a battery-powered device that monitors heart rhythm and delivers electric shocks to restore a normal heartbeat when necessary. The doctors allowed me a critical few months to observe whether my heart function could spontaneously improve, a process that would ultimately determine the necessity of the ICD implant.

Approximately four months after the initial event, a review of my heart condition showed marginal but positive changes. This minimal improvement was enough to prompt the medical team to postpone the decision for an ICD transplantation, operating on the hope that further, gradual improvement would occur over time. The journey has become one of vigilant monitoring, comprehensive lifestyle management, and a deeper understanding of the heart's hidden vulnerabilities.

The Post-Heart Attack Struggle: A Detailed Account of Deterioration

The period following the heart attack marked a profound and concerning shift in my health, a stark contrast to my life before the cardiac event. Before this, I had never once registered an instance of either high or low blood pressure. The stability I once knew was shattered. Despite being placed on a regimen of high blood pressure medication, taken diligently twice a day—once in the morning and again in the evening—my median blood pressure remained alarmingly high at 150/100 mmHg in the months following the heart attack. By July 2021, roughly seven months into recovery, I began to experience a palpable, internal deterioration. This wasn't merely a feeling; it was a cascade of debilitating physical and cognitive symptoms. The issues included:

1. Cardiovascular Instability:
   • High and Fluctuating Blood Pressure: The pressure was not just elevated, but highly variable, making management exceedingly difficult.
   • High and Fluctuating Heartbeat (Tachycardia): My heart rate was consistently fast and erratic.
   • Severe Palpitations: This was one of the most frightening aspects. The condition was so severe that even during sleep, my minimum heart rate would stubbornly refuse to drop below 120 beats per minute, often accompanied by persistent, unpredictable spikes.
2. Activity Intolerance and Exertional Symptoms:
   • During the day, my resting heart rate remained elevated, and I experienced frequent, distressing palpitations.
   • Physical exertion, even minor activity, triggered an alarming response. It was common for my heartbeat to exceed 200 beats per minute if I simply spoke on the telephone for a few minutes, walked a short distance of a hundred to two hundred metres, or engaged in any slight physical activity.
   • Palpitations were triggered by seemingly simple changes in posture—moving from a lying-down to a sitting position, or from sitting to standing.
3. Cognitive and Emotional Decline:
   • Deterioration in Brain Focus and Memory: My ability to concentrate and retain information noticeably declined, leading to significant frustration.
   • Decrease in Mind Tolerance: My threshold for mental stress and complex tasks diminished significantly.
   • Emotional Lability: My emotions often became agitated and disproportionate in response to insignificant, minor issues.

This rapid decline left me utterly bewildered and confused. The reasoning behind these overwhelming internal changes was beyond my grasp. I was left questioning whether these occurrences were typical side effects for post-heart attack patients or if they were specific and unique to my body's reaction.

The Frustration of "Normal" Test Results

Multiple visits to the doctor led to extensive diagnostic procedures, including various ECG tests and the prolonged use of Holter monitors worn for two to three days for continuous cardiac monitoring. The results, however, were consistently contradictory to my lived experience. According to the medical professionals, there was "nothing to be worried about." The reports from the medical machines—the objective data—indicated a normal situation.

Yet, what I was experiencing internally was nothing short of alarming. I faced a deep existential dread; I did not want to live with a deteriorating brain, lost memory, and a constant physical burden. I had personally witnessed the devastating long-term effects of chronic illness on others:

• Some individuals spend a significant portion of their lives—ranging from ten to twenty years—confined to their beds.
• Others, due to profound memory loss, had forgotten their own children and the cherished moments of their lives, essentially living as strangers among their loved ones. (This contrast was a constant reminder: while some forget their lives through sheer arrogance or cruelty, others face the same tragic outcome as a consequence of devastating brain diseases.)

Escalating Physical Changes: The Onset of Weight Gain

Despite the continuous assurance of "normal" results from the ECG and other tests, my internal condition inexorably continued to deteriorate. A visible and rapid physical change compounded my distress: significant and unexpected weight gain.

Over the course of a relatively short period, approximately six weeks from December 2021 to January 2022, my weight observed a dramatic increase. Starting at around 77 kilograms, my weight rapidly rose to approximately 87 kilograms. This alarming gain pushed my Body Mass Index (BMI) to exceed 35 kilograms per square metre, placing me firmly in the severely obese category and adding another layer of complexity to my already precarious health status.

The Decision to Do or Die: Confronting a Life-Threatening Heart Attack

The sudden, catastrophic heart attack I experienced was a stark and bewildering anomaly. Up until that point, my medical history was pristine. I had no record of chronic conditions such as diabetes, high blood pressure, or elevated cholesterol and triglyceride levels. Furthermore, I was not addicted to alcohol, smoking, or drugs, nor did I adhere to a sedentary lifestyle. My health profile was, by all conventional standards, exemplary. Yet, this was not merely a simple cardiac event; it was a deadly one. This inexplicable contradiction—a lethal heart attack in the absence of all primary risk factors—compelled me to seek answers outside the standard medical paradigm. I immediately embarked on an intensive, self-directed study of human physiology to understand the root cause of this catastrophic failure.

By the early days of January 2022, the internal condition of my body had deteriorated to a point where I was presented with an urgent, existential choice: the "Do or Die" predicament. After soberly and meticulously weighing the potential outcomes, I concluded that the path of passive decline was unacceptable. I decided to take a calculated, high-stakes risk. I deemed it wiser to actively conduct physiological experiments on myself, based on my research, than to passively await a gradual approach toward death. I prepared my mind for the most severe possible consequence—untimely death—should my experimental approach fail. Having made this profound commitment, I took the crucial first step: slowly, deliberately, and consistently working on strengthening my heart muscle.

The Road to Recovery: From Stationary Bike to Ultra-Endurance

The precarious state of my health meant that engaging in outdoor activities like cycling was fraught with unacceptable risks, including the danger of falling or experiencing an unforeseen medical incident far from assistance. To circumvent this, I made a pragmatic investment in a stationary exercise bike (a work-bike). This purchase was strategic, allowing me to combine my recovery efforts with my professional life, enabling me to multitask by engaging in reading and writing while cycling indoors.

My journey on the stationary bike began on January 30, 2022. I started with utmost caution, setting a leisurely pace and utilising only the low gear. On that first day, I managed to cover a distance of approximately 15 kilometres in about an hour. This initial, gentle engagement was the foundation. By March 2022, through consistent effort, I had progressed significantly. I was able to gradually increase my daily distance to 40 kilometres, completing this distance in approximately two hours while maintaining a steady pace in the medium gear.

The progression continued relentlessly. Over the subsequent long-term period, spanning from March 2023 to February 2024, my routine became highly demanding. I consistently engaged in cycling activities, covering a distance of approximately 65 kilometres within an average timeframe of two and a half hours, all while maintaining the effort in the high gear.

Now, for approximately the last year, my training regimen has entered a new phase of endurance. I dedicate four consecutive hours to cycling on several days each month, successfully covering a distance of 100 kilometres, exclusively in high gears. The culmination of this self-experimentation and dedication to fitness was demonstrated in December 2023. Over the course of a single, maximal effort lasting seven consecutive hours, I cycled a distance exceeding 150 kilometres—a remarkable feat made even more intense by the fact that I performed this endurance challenge while simultaneously undertaking a 50-hour fast. This journey illustrates a profound transformation from a patient on the brink of death to an individual who has radically redefined their physical capabilities through sheer will and scientific self-experimentation.

Fasting (One Meal a Day, OMaD)

My journey with fasting spans decades, marked by periods of intense personal exploration and a later, more systematic approach informed by life-altering health events.

Early Life Fasting: An Exploration of the Inner Self

When I was approximately 27 years old, I undertook the most profound fasting experience of my life, which extended for a remarkable 18 days. I am currently around 48 years old. During this period, my sole intake was plain water, and crucially, I maintained my complete daily routine without alteration. The motivation for this extreme undertaking stemmed from a period of deep internal questioning. I was grappling with a sense of potential unacknowledged error or mistake in my actions, even though I could not pinpoint any specific transgression. I resolved to use an extended fast as a tool for profound self-reflection, aiming to deeply explore my inner landscape, cleanse and purify my essence, and fundamentally strengthen the core of my being.

At the time, my understanding of the physiological risks associated with such a prolonged fast was limited. I was unaware of the potential for severe vitamin and mineral deficiencies to develop. However, it is probable that my body, still relatively young and accustomed to regular, shorter fasts—sometimes ranging from three to seven days annually—possessed a certain resilience. This established habit likely contributed to the body's ability to withstand the 18-day fast without encountering major issues.

Prior to this 18-day water fast, I had successfully completed an intense, full dry fast lasting approximately 75 hours, during which I abstained from even allowing water to touch my skin. Furthermore, during my early twenties, I maintained a practice for about eighteen months of either consuming only one meal a day or regularly skipping a meal. I now believe these prior practices and the developed resilience were instrumental in enabling the successful completion of the prolonged 18-day fasting period.

My knowledge of the scientific and physiological impact of fasting was rudimentary back then. Nevertheless, the prevailing mental and ideological context led to a common, albeit informal, practice of yearly fasts lasting three, five, or even seven days. A significant oversight during this period was my ignorance regarding the distinct scientific protocols necessary for safely breaking extended fasts. My standard practice was to simply resume my regular routine diet immediately after the fast, a method I now understand carries considerable risks.

A Health Crisis and a Shift to Systematized Fasting

The profound misconception that my body was fundamentally healthy was shattered by the occurrence of a severe heart attack in November 2020. This sudden and serious cardiovascular event served as an unmistakable indicator of potentially unseen disturbances or underlying systemic issues within my body that required immediate and systematic attention. Given that positive improvements in my heart's condition have been observed since February 2022, I chose to redirect my focus toward identifying and addressing these other potential, invisible disruptions within my physical being. I arrived at the crucial realization that the body possesses an innate capacity for optimal well-being. My role is now one of support, providing the necessary conditions—time, structured exercise, and quality nourishment from real food sources—to facilitate its powerful self-care and self-healing mechanisms.

After a period of thorough consideration and contemplation, I made a definitive decision in March 2022 to adopt a structured and systematic approach to intermittent fasting (IF). I initiated this journey by committing to an 18-hour daily fasting window. Over time, this commitment evolved, and by February 2023, I had gradually extended the fasting window to a demanding twenty-two hours per day.

This gradual progression culminated in a shift to a consistent One Meal a Day (OMaD) regimen, with a precise 24-hour interval between each meal, commencing on May 31, 2023. Building upon this foundation, I progressively integrated various forms of extended fasting into my routine:

Added Sugars: A Personal Experiment and Shifting Perspective

Despite having committed to an 18-hour intermittent fasting regimen since March 2022, my dietary habits during the ensuing 6-hour eating window were still somewhat irregular, involving food consumption three to four times. A significant part of my intake, especially immediately following my demanding morning exercise routine, was a variety of sugars, including natural sources like fruits and honey, alongside complex carbohydrates. This habit was rooted in a common, yet often misunderstood, belief: that the body fundamentally relies on sugar as its primary and most readily available source of fuel.

Consequently, driven by the desire to sustain my energy levels throughout prolonged morning workout sessions and the rest of the day, I would regularly consume multiple forms of sugar and carbohydrates. I genuinely believed this was necessary to ensure an ample supply of 'fuel' for my body's needs. However, the observable reality was that my body was not functioning with the optimal efficiency or performance that I had anticipated and desired. This persistent feeling of sub-optimal function eventually prompted a reevaluation of my dietary choices.

The Sugar Abstinence Experiment

In September 2022, I decided to embark on a personal dietary experiment: a period of complete abstinence from added sugars for approximately one and a half to two months. The core intention behind this decision was not a permanent change, but a focused, analytical observation—to closely monitor and analyze the various internal physiological and psychological changes that would occur in the body when deprived of its usual sugar supply. The underlying premise was pragmatic: if no positive changes were observed, I reserved the option of reverting to my previous, sugar-inclusive eating habits.

The change began in the second week of September 2022. I made a firm decision to completely cut out all sources of added sugars from my diet. Crucially, this initial elimination also included certain natural sugars found in fruits that I had been regularly consuming, specifically bananas and apples.

Contrary to popular narratives about sugar cessation, I did not experience a difficult or prolonged "withdrawal syndrome." In fact, the change was remarkably swift. By the second day, I distinctly noticed that my intense cravings for sugar had dramatically diminished, or effectively disappeared.

A significant, almost immediate, consequence of this reduced craving was a profound shift in my overall eating pattern. I naturally found myself altering my eating habits by reducing the frequency of meals I consumed throughout the day, transitioning from several small meals to just two substantial ones within the 6-hour window.

Transition to a Sustainable Diet

Following the successful initial two-month period, during which I experienced noticeable and positive internal changes, I made the conscious and enduring decision to eliminate added sugar as a regular staple from my diet. However, recognizing the importance of micronutrients, I opted to strategically re-incorporate natural sources of sugar. Specifically, I began including fruits such as apples and bananas back into my daily meals. This decision was a pragmatic one, ensuring a convenient and reliable supply of essential minerals and vitamins without reverting to the pitfalls of consuming concentrated added sugars.

The journey continued to evolve. Subsequently, I transitioned to a far more restrictive eating schedule, adopting the practice of consuming only one meal (OMAD) within a twenty-four-hour period. Furthermore, I began engaging in a prolonged, therapeutic fast of 48 to 50 hours each week.

It was within this highly controlled and reduced eating schedule that I decided to reintroduce the consumption of added sugar, specifically in the form of honey, but only on a highly restricted, monthly basis. This decision was not an indulgence but a deliberate metabolic strategy. The underlying thought process was that the pancreas, and the body's entire glucose management system, should not be allowed to "forget" how to effectively and efficiently process and regulate sugar. This monthly, controlled exposure was intended as a form of metabolic training, ensuring the body retained its capacity for effective glucose management even while prioritizing a low-sugar, whole-food diet most of the time.

Metabolic Flexibility: The Transition from a Sugar-Based to a Fat-Based Body

The journey towards achieving Metabolic Flexibility—the body's enhanced capacity to switch efficiently between using carbohydrates (sugar) and fats for fuel—began for me with a surprising observation in September 2022. Despite having eliminated added sugar from my diet and engaging in several hours of rigorous, continuous exercise every morning, I found myself feeling remarkably more energetic and less drained in my daily life, contrary to what might be expected from such a demanding routine. This unexpected positive outcome served as the catalyst for exploring a deeper, more transformative concept: intentionally training the body to transition its primary fuel source from glucose (sugar-based) to stored body fat (fat-based).

The fundamental aim of this transition is to significantly enhance metabolic flexibility, which I believe is the key to unlocking profound, long-term health benefits, especially during periods of extended fasting. A fat-adapted body is uniquely positioned to:

• Enhance Autophagy: The cellular "self-cleaning" process is significantly boosted, allowing for the removal of damaged cells and the regeneration of healthier ones.
• Improve Inflammation Management: The body becomes more adept at regulating and reducing chronic systemic inflammation.
• Strengthen Overall Immunity and the Digestive System: A more stable energy supply and reduced internal stress contribute to a robust immune response and optimal gut health.
• Reset Body Set-Points: This includes potentially resetting the body's natural weight and energy regulation mechanisms to a healthier baseline.

This philosophy led me to commit to a sustainable lifestyle centered around adopting a one-meal-a-day (OMAD) routine. Recognizing that an abrupt shift can be jarring, I devised a gradual, strategic plan starting in October 2022 to ensure the smoothest possible adaptation process for my body, prioritizing a gentle transition over a sudden change.

The Transformative Impact of Metabolic Flexibility

The physiological and cognitive changes experienced since achieving this level of metabolic flexibility have been extensive and impactful. The body now operates with a remarkable stability and resilience:

Energy and Hunger Management

• Elimination of Cravings: A striking consequence is the complete absence of hunger pangs or cravings, even when fasting for two, three, or more consecutive days. The psychological and physical dependency on frequent eating has dissolved.
• Stable Energy Circulation: Unlike the volatile energy spikes and subsequent crashes common with a sugar-dependent metabolism, the fat-based system maintains a constant, stable, and smooth circulation of energy throughout the day.
• Unwavering Stamina: I consistently feel neither tired nor weak, maintaining high functional capacity regardless of the fasting window.

Physical Health Markers

• Cardiovascular Health: Blood pressure remains normal and healthy. I experience no high heart rate issues or palpitations.
• Respiratory and Muscular Comfort: There is a noticeable absence of shortness of breath and a complete elimination of pain in the calves, a common discomfort during high-endurance activities.

Cognitive and Performance Enhancements

• Improved Memory: The ability to recall and retain information has seen a marked improvement.
• Exponentially Improved Brain Focus: Mental clarity and sustained concentration have dramatically increased, allowing for extended periods of high-level cognitive work.
• Exponentially Improved Muscular Strength and Endurance: Physical performance has not just improved but has seen exponential gains, enabling greater loads and longer training sessions.
• Exponentially Improved Flexibility: The body's overall flexibility and range of motion have also increased significantly.

The Unconventional and Consistent Daily Routine

For the past nine months (as of the writing of this section), I have consistently maintained a daily fasting routine of approximately 23 hours, culminating in the OMAD approach. The physical exercise regimen is integral to this lifestyle and is performed during the fasted state:

• Timing: The exercise session begins after approximately 17 to 18 hours of continuous fasting, optimizing the body's use of fat reserves for fuel.
• Endurance Phase: I start with a cycling exercise that lasts for approximately two and a half hours.
• Strength Phase: This is immediately followed by a resistance training session, utilizing 15 kg dumbbells for about one hour.
• Flexibility Phase: The session concludes with a Yoga practice lasting half an hour to one hour.
• Total Duration: This daily morning routine encompasses four to five hours of continuous physical activity.

To ensure this intense commitment does not disrupt the main routine of the day, a highly structured schedule is maintained:

• Wake-up: I wake up around 2:00 AM at night.
• Routine Completion: Exercise and preparation are usually completed by about 8:00 AM.
• Sleep: I typically go to sleep between 8:00 and 9:00 PM at night, characterized by deep, restorative sleep that rarely requires an alarm.

Testing the Limits of Endurance

The ability to maintain the exercise routine remains consistent, whether fasting for 48-50 hours or even pushing the limit up to 75-120 hours. This resilience was dramatically tested in December 2023 when, after fasting for 44 hours, I engaged in continuous cycling for seven hours straight. By the end of this strenuous activity, the total fasting duration was about 53 hours, yet there was a complete absence of fatigue, serving as compelling evidence of the profound metabolic adaptation achieved.

Personal Health Journey and Transformative Lifestyle Changes

Blood Pressure and Heart Rate

Following a significant health event—a heart attack suffered in November 2020—a rigorous pharmaceutical regimen was initiated to manage persistent high blood pressure. This involved the diligent, twice-daily consumption of antihypertensive medications. Despite this consistent intervention, the median blood pressure remained alarmingly elevated at 150/100 mmHg, indicating a continued, uncontrolled hypertensive state.

A remarkable and transformative change occurred beginning in July 2023. At this point, the decision was made to discontinue all blood pressure medications. Since that time, I have remained completely unmedicated for hypertension. The outcome has been profoundly positive: my blood pressure now consistently maintains a stable, healthy median of 105/60 mmHg. This transition from chronic, medicated hypertension to stable, unmedicated normotension represents a major reversal of a critical health risk.

The aftermath of the heart attack also brought a persistent, troubling elevation in heart rate. My heart rate consistently exceeded 110 beats per minute, even during periods of supposed deep rest, such as nighttime sleep. Furthermore, I experienced frequent and unsettling spikes in my heartbeat. Simple, everyday activities were severely limited; a brief mobile conversation or a mere hundred-meter walk would trigger a rapid acceleration of the heart rate, often exceeding 200 beats per minute. This pathological response was invariably accompanied by uncomfortable palpitations and severe breathlessness, significantly curtailing physical capacity.

The current state stands in stark contrast to this former condition. Now, even after engaging in several hours of vigorous cycling or performing resistance training with 15 kg dumbbells, my heart rate rarely surpasses 100 beats per minute. A notable physiological improvement is the rate at which my heart recovers: after just a couple of minutes of standing completely still, even following a period of brisk walking or strenuous physical labor, my heart rate consistently drops below 60 beats per minute. During deep sleep at night, the heart rate frequently descends to levels even below 40 beats per minute, indicating profound cardiovascular relaxation, and critically, the previous pattern of sudden, disruptive spikes has entirely ceased.

Weight and Visceral Fat Reduction

The state of my physical composition prior to these lifestyle changes presented significant health challenges. As of January 30, 2022, my weight was approximately 87 kilograms. My waist circumference measured a concerning 50 inches, and my Body Mass Index (BMI) was classified in the obese category, exceeding 35 kilograms per square meter. This constellation of metrics indicated a high level of cardiovascular and metabolic risk.

Over the subsequent eight months, an extraordinary body transformation took place. My weight has stabilized and remained consistently low, fluctuating only slightly around 50–51 kg. The previous accumulation of abdominal fat has completely disappeared, leading to the full resolution of my former "belly." My waist measurement has dramatically decreased to approximately 27 inches. Concurrently, my Body Mass Index has normalized to about 20 kilograms per square meter, placing it squarely within the healthy weight range.

Digestive System Improvements and Aspirin Side Effects

Prior to 2022, I had no history of serious gastrointestinal issues, particularly concerning foul-smelling flatulence or constipation. In fact, my pre-existing digestive vulnerability had always been recurring episodes of severe loose motion since childhood. However, a change was noted after I began taking Aspirin in December 2020 as part of the post-heart attack protocol. Shortly after starting the medication, I began to experience mild constipation, and a few months later, the insidious onset of foul-smelling flatulence began. The frequency and intensity escalated to the point where virtually every instance of passing gas resulted in a noxious scent. Given the complete absence of such issues throughout my life, the introduction of Aspirin is strongly suspected as the causal factor, suggesting potential detrimental effects on my digestive system.

My lifestyle underwent a profound transformation centered on meal timing and frequency. This involved adopting a regimen of consuming only one meal within a 24-hour period (One Meal a Day - OMAD) for five days a week, and integrating an extended, approximately 50-hour fasting regimen during the other two days. Within just a few weeks of implementing this shift, positive impacts on my overall health began to be noticeable. The majority of health issues, including the digestive complaints, showed significant positive change within a short span of a few months.

Building upon this success, I initiated a more intensive fasting routine a couple of months ago, involving a minimum 75-hour fast. This routine has since been further formalized and intensified. The current structure entails consuming only one meal for a period of approximately 24 hours for 11 consecutive days. This is immediately followed by a continuous fasting period of approximately 75 hours, which commences on the 11th day and concludes on the 14th day. On occasion, this biweekly extended fasting period is deliberately prolonged to span between 100 and 120 hours. Since initiating this more rigorous fasting routine, the digestive issues, including the suspected Aspirin side effects, have experienced a remarkable and sustained improvement.

Resolution of Chronic Calf Pain

The onset of severe calf pain was traced back to the year 2008. Initially, this presented as occasional discomfort during walking, sometimes escalating to sharp pain. Within two years, the simple act of walking became increasingly painful due to the persistent aching in the calves. This situation progressively worsened and became more frequent, ultimately reaching a point where walking just a few hundred meters would induce intense pain, making it extremely challenging to take even one more step. Crucially, attempts to alleviate the pain by stopping and resting for five to ten minutes failed, as the pain persisted relentlessly. The overall issue of mobility had become profoundly problematic. Over time, the condition deteriorated further, reaching a stage where remaining stationary or engaging in activities while standing up also consistently led to severe aching in the calves.

The current state represents a complete and unmedicated resolution of this long-standing ailment. Regardless of the distance I walk or the duration I stand, I no longer experience any discomfort in my calves. Over the last approximately one-year period, I have tested this recovery by walking continuously for more than 30 kilometers at a time on multiple occasions. Additionally, I have stood continuously for more than 12 hours without any adverse effects. The pain in my calves has completely disappeared, an outcome achieved entirely without the use of medication or any targeted physical treatment.

Eradication of Helicobacter Pylori Related Symptoms

On the 17th of July 2005, my life was dramatically disrupted by the sudden onset of constant episodes of vomiting and prolonged, debilitating nausea. Prior to this date, I had no history of such issues. Following this sudden change, vomiting became a daily occurrence, often multiple times a day. Disturbingly, even consuming plain water led to vomiting and hours of persistent nausea. Vomiting every morning became an inevitable part of my routine, and each episode would involve the forceful expulsion of the entire stomach contents.

An endoscopy procedure performed in Australia identified the root cause of this severe condition as the bacterium Helicobacter pylori. Following a strong course of antibiotics, a urea test confirmed the eradication of the bacteria. Despite the laboratory confirmation of bacterial clearance, the clinical symptoms—the relentless nausea and vomiting—persisted unchanged. A lengthy process of trial-and-error was employed in an attempt to avoid potential triggers. It was not uncommon for me to experience prolonged bouts of nausea lasting beyond a 24-hour period. Nausea would precede the vomiting, lasting for several hours of discomfort, and after an interval, the sensation of nausea would reoccur and endure for more hours. Initially, this irritation was nearly unbearable, but over time, I was forced to adapt and learn to cope with the chronic nature of the problem.

A significant breakthrough occurred after I began practicing the habit of consuming only one meal within a 24-hour period, in conjunction with the weekly extended fast of 48 to 50 hours. Since implementing this dietary change, I have noticed a dramatic and sustained improvement. It has now been over half a year during which I have not experienced a single instance of nausea or vomiting. This represents the first time in over 18 years that I have experienced a respite from the debilitating cycle of nausea and vomiting. It is strongly hypothesized that the restructuring of my eating patterns has enabled my immune system to finally gain effective control over the residual effects of the Helicobacter pylori bacteria or its chronic impact on the digestive tract.

Supporting Hundreds of Individuals to Achieve Natural Health Benefits

For the past fifteen months, I have dedicated myself to providing guidance and support to many hundreds of individuals seeking to achieve health improvements through natural means. This guidance has successfully assisted people dealing with a wide array of chronic health issues, including but not limited to: type-two-diabetes, fatty liver disease, obesity, high blood pressure, high triglyceride levels, acidity, kidney stones, constipation, high uric acid, various allergies, and joint pain. These significant health benefits were achieved entirely without the use of pharmaceutical medicines. The interventions relied solely on implementing strategic changes in eating styles, reducing meal frequency, adopting intermittent fasting, practicing extended fasting, and engaging in exercise while in a fasted state, among other lifestyle modifications. The most impactful outcomes have been the sustained reversal of conditions such as type-two diabetes, fatty liver, chronic acidity, allergies, and numerous other chronic health issues for many of the individuals I have supported.

Acknowledgments and Gratitude for Foundational Physiological Understanding

The development of the physiological understanding presented in this curriculum is built upon a foundation of extensive, rigorous, and widely-respected research. We extend our most sincere thanks and deep gratitude to the following institutions, scientific bodies, and dedicated professionals whose work has been instrumental in shaping this educational material:

Leading Academic and Governmental Institutions:

• Universities of USA, Europe, Canada, and Australia: I acknowledge the immense contribution of the world's leading academic research institutions. Their faculty, laboratories, and scholarly publications have provided the bedrock of physiological knowledge, from molecular biology to systems-level integration, ensuring the curriculum is grounded in evidence-based science.

• National Library of Medicine (NLM), USA: The NLM, as the world's largest biomedical library, has been an invaluable repository. Its comprehensive resources, including MEDLINE/PubMed, have facilitated access to critical peer-reviewed literature and historical medical texts.

• National Center for Biotechnology Information (NCBI), USA: The resources and databases provided by the NCBI, particularly those concerning genomics, proteomics, and biological information, have been essential for understanding the molecular and cellular basis of human physiology.

• FoodData Central, Agricultural Research Service, USA: This essential resource has provided detailed and reliable information on the nutritional composition of foods, which is critical for understanding the metabolic and nutritional aspects covered in this course.

• Harvard Brain Science Initiative (HBSi), USA: Their cutting-edge research and collaborative initiatives in neuroscience have significantly informed the sections of the curriculum pertaining to neurophysiology, cognitive function, and the brain's role in regulating bodily systems.

Scientific Literature and Expert Contributors:

• Various Scientific and Peer-Reviewed Journals: We rely heavily on the continuous output of the global scientific community. The high standards of scholarship and rigorous peer-review processes within these journals ensure the incorporation of the latest, most credible physiological and biomedical research.

Distinguished Individual Experts and Clinicians:

We are particularly grateful to the following individuals whose clinical experience, research, and educational efforts have synthesized complex concepts into accessible and actionable knowledge:

• Prof. David Levitsky: His work in nutritional sciences and behavioral aspects of eating has offered key insights into the physiological and psychological mechanisms that govern appetite, weight regulation, and metabolism.

• Dr. Jason Fung, MD: A specialist in nephrology, his extensive work on the physiology of insulin, type 2 diabetes, and therapeutic fasting has profoundly influenced the metabolic health components of this curriculum.

• Simon Hill: Known for his evidence-based approach to nutrition and health, his contributions aid in translating complex physiological data into practical, sustainable lifestyle recommendations.

• Dr. Sten Ekberg: His educational content bridges the gap between fundamental physiology and practical health optimization, offering valuable perspectives on metabolic health and exercise.

• Dr. Eric Berg: His focus on thyroid health, nutritional ketosis, and the endocrine system provides a detailed understanding of hormonal regulation in human physiology.

• Dr. Annette Bosworth, MD: Her clinical experience and educational advocacy related to metabolic health, particularly in the context of ketogenic diets, offer critical perspectives on nutritional physiology.

• Dr. Michael Klaper, MD: His extensive work as a clinician and educator on plant-based nutrition and the prevention and reversal of chronic diseases provides a holistic view of diet's impact on physiological health.

• Dr. Mark Hyman, MD: A leading voice in Functional Medicine, his emphasis on addressing root causes of illness through a physiological systems-based approach has been highly influential in shaping the curriculum's framework.

• Dr. Palaniappan Manickam, MD: His contributions, often simplifying complex medical concepts, help to make sophisticated physiological information comprehensible and relatable.

• Dr. Vyom Parashar, PhD: His background in advanced research and scientific communication supported by scientific evidence.

• Prof. Om Shankar, DM in Cardiology: As a specialist in Cardiology, his expertise is vital for the accurate and in-depth coverage of cardiovascular physiology, heart health, and related pathophysiology.

Photos (before and after, 4 photos)