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Fasting and Eating for Health

Fasting and Eating for Health

A Medical Doctor's Program for Conquering Disease
by Joel Fuhrman 1995 255 pages
3.97
500+ ratings
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Key Takeaways

1. Fasting: A Powerful Tool for Health and Healing

"Fasting stops the continual work of the digestive tract, whose activity can drain the body of energy and divert the healing processes."

Fasting accelerates healing. It allows the body to focus its energy on repair and detoxification rather than digestion. During a fast, the body enters a state of heightened self-repair, breaking down damaged tissues and removing toxins more efficiently.

Benefits of fasting include:

  • Reduced inflammation
  • Improved immune function
  • Enhanced cardiovascular health
  • Reversal of chronic diseases
  • Cellular rejuvenation

Fasting is not starvation but a controlled period of abstaining from food while maintaining hydration. It triggers a range of beneficial physiological responses, including autophagy (cellular "self-eating"), which removes damaged cellular components.

2. The Root Cause of Disease: Toxicosis and Poor Nutrition

"Disease, dementia, and disability associated with aging are unnatural."

Toxicosis drives disease. Most chronic diseases result from the accumulation of toxins in the body and poor nutritional choices. The standard American diet, high in processed foods, animal products, and refined sugars, contributes significantly to this toxic load.

Key factors contributing to toxicosis:

  • Overconsumption of animal proteins and fats
  • Intake of processed and refined foods
  • Environmental toxins
  • Medications and drugs

A plant-based, whole-food diet combined with periodic fasting can help the body eliminate these toxins and restore optimal health. This approach addresses the root cause of disease rather than merely suppressing symptoms with medications.

3. Cardiovascular Health: Reversing Heart Disease Naturally

"Heart disease is reversible."

Diet trumps drugs and surgery. Conventional treatments for heart disease, such as bypass surgery and angioplasty, often fail to address the underlying causes. A low-fat, plant-based diet combined with fasting can reverse arterial plaque buildup and improve cardiovascular function.

Key components of heart disease reversal:

  • Elimination of animal products and oils
  • Consumption of whole plant foods
  • Regular fasting periods
  • Gradual reduction of medications under medical supervision

Studies have shown that this approach can lead to significant improvements in cardiovascular health, often surpassing the results of conventional treatments without their associated risks and side effects.

4. Diabetes: A Nutritional Approach to Prevention and Reversal

"Taking a type II diabetic insulin is like giving an alcoholic more alcohol."

Diabetes is a dietary disease. Type II diabetes results from insulin resistance caused by excess fat in the diet and body. Conventional treatments often exacerbate the problem by increasing insulin levels without addressing the underlying cause.

Effective diabetes management and reversal:

  • Adoption of a low-fat, plant-based diet
  • Elimination of refined carbohydrates and animal products
  • Regular fasting to improve insulin sensitivity
  • Gradual reduction of medications as blood sugar normalizes

This approach can lead to significant improvements in blood sugar control and, in many cases, complete reversal of type II diabetes, allowing patients to discontinue medication under medical supervision.

5. Autoimmune Diseases: Fasting as a Path to Remission

"Fasting is very different from chronic malnutrition. Rather than suppressing immunity, which is what happens in cases of long-term malnutrition and anorexia, fasting actually does the opposite; it normalizes and enhances immune function."

Fasting resets the immune system. Autoimmune diseases often result from a combination of genetic predisposition and environmental triggers, particularly dietary factors. Fasting, followed by a carefully designed diet, can help reset the immune system and induce remission in many autoimmune conditions.

Benefits of fasting for autoimmune diseases:

  • Reduction of inflammation
  • Elimination of food antigens
  • Enhanced immune system regulation
  • Repair of intestinal permeability ("leaky gut")

Many patients with conditions such as rheumatoid arthritis, lupus, and inflammatory bowel disease have achieved long-term remission through a combination of fasting and dietary changes, often allowing them to discontinue medications.

6. Weight Loss: The Fallacy of Calorie Counting

"For the vast majority of people, being overweight is not caused by how much they eat, but by what they eat."

Focus on food quality, not quantity. Traditional weight loss approaches focusing on calorie restriction often fail because they don't address the underlying metabolic issues caused by poor food choices.

Key principles for effective weight loss:

  • Consumption of high-nutrient, low-calorie foods (vegetables, fruits, legumes)
  • Elimination of processed foods and animal products
  • Emphasis on fiber-rich whole foods for satiety
  • Regular fasting periods to enhance fat burning

This approach allows individuals to eat to satiety while still losing weight, as the body's metabolic processes normalize and efficient fat burning is restored.

7. Fasting Safely: Medical Supervision and Precautions

"Fasting longer than two to three days should not be undertaken by patients on their own."

Professional guidance ensures safety. While fasting is generally safe for most people, extended fasts require medical supervision to monitor for potential complications and ensure optimal results.

Key considerations for safe fasting:

  • Pre-fast medical evaluation
  • Regular monitoring of vital signs and blood work
  • Gradual tapering of medications before and during the fast
  • Appropriate hydration and rest during the fasting period

Certain individuals, such as those with severe malnutrition, pregnancy, or specific medical conditions, should not undertake extended fasts. A qualified healthcare professional can determine the appropriateness and duration of fasting for each individual.

8. Breaking the Fast: Gradual Reintroduction of Foods

"It is very important that the reintroduction of food after an extended fast begin very gradually."

Careful refeeding is crucial. The process of breaking a fast is as important as the fast itself. Reintroducing food too quickly or in large quantities can lead to digestive distress and negate some of the benefits of the fast.

Guidelines for breaking a fast:

  • Start with small amounts of easily digestible foods (e.g., fruits, steamed vegetables)
  • Gradually increase portion sizes and food variety over several days
  • Avoid processed foods, oils, and animal products in the initial refeeding period
  • Listen to your body and eat mindfully

Proper refeeding helps maintain the benefits of the fast and sets the stage for long-term dietary improvements.

9. The Optimal Diet: Plant-Based, Low-Fat, High-Nutrient

"For ideal nutrition, I recommend a low-fat, lowered-protein, low-sodium diet; one that is high in raw, unrefined carbohydrates."

Plant power for optimal health. A diet centered around whole plant foods provides the best foundation for long-term health and disease prevention. This approach ensures high nutrient intake while minimizing harmful components found in processed and animal-based foods.

Key components of an optimal diet:

  • Abundant vegetables, especially leafy greens
  • Whole fruits
  • Legumes and whole grains
  • Limited or no animal products and processed foods
  • Minimal added fats and oils

This dietary pattern supports optimal cellular function, reduces inflammation, and provides the body with the tools it needs for ongoing repair and maintenance.

10. Longevity and Disease Prevention: The Power of Lifestyle Changes

"We can help ourselves, our friends, and our children adopt eating habits they can live with so that they can be free of the fear of heart disease, stroke, diabetes, and many other serious illnesses."

Prevention is the best medicine. By adopting a healthy lifestyle centered around proper nutrition and periodic fasting, individuals can significantly reduce their risk of chronic diseases and extend their healthspan—the period of life spent in good health.

Key lifestyle factors for longevity:

  • Plant-based, whole-food diet
  • Regular fasting or time-restricted eating
  • Adequate sleep and stress management
  • Regular physical activity
  • Avoidance of toxins (e.g., smoking, excessive alcohol)

These changes, when implemented consistently, can lead to dramatic improvements in health outcomes and quality of life, often surpassing the benefits of conventional medical treatments.

Last updated:

Review Summary

3.97 out of 5
Average of 500+ ratings from Goodreads and Amazon.

Fasting and Eating for Health receives mixed reviews. Some praise its insights on fasting's health benefits, while others criticize its repetitive content and lack of practical advice. Readers appreciate the medical perspective but question the extensive claims about fasting's healing powers. Many find the book informative but note it focuses more on promoting a plant-based diet than fasting itself. Critics argue the information is outdated and anecdotal, while supporters find it life-changing. Overall, the book sparks interest in fasting but leaves some readers wanting more detailed guidance.

Your rating:

About the Author

Joel Fuhrman is a board-certified family physician and nutritional researcher specializing in preventing and reversing disease through nutritional and natural methods. He is known for his advocacy of a nutrient-dense, plant-rich diet and fasting for health. Fuhrman has written several books on nutrition and health, including the popular "Eat to Live." His work focuses on the concept of "nutritarian" eating, which emphasizes consuming foods with the highest nutrient density. Fuhrman has gained both followers and critics for his unconventional approaches to treating chronic diseases through diet and fasting. He runs a medical practice in New Jersey and has appeared on various media platforms to promote his health philosophies.

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