Cover of the summary of “Fit for Life”

Book summary “Fit for Life”: summary

Marilyn Diamond

2,828 words · 16 min read

You feel exhausted by endless calorie counting, portion restriction, and the frustrating cycle of losing weight only to regain it. Traditional diets fail because they treat your body like a mechanical furnace rather than a living organism governed by natural laws.

Summary text

2,828 words · 16 min read

Introduction

You feel exhausted by endless calorie counting, portion restriction, and the frustrating cycle of losing weight only to regain it. Traditional diets fail because they treat your body like a mechanical furnace rather than a living organism governed by natural laws.

Permanent weight loss and vibrant health are achieved not through restrictive dieting, but by working in harmony with the body's natural physiological cycles of elimination, appropriation, and assimilation through high-water-content foods and proper food combining.

Marilyn and Harvey Diamond present the principles of Natural Hygiene to help you restore your innate vitality. The book guides you through understanding your body cycles, choosing water-rich foods, mastering food combinations, and climbing the Energy Ladder.

  • Why do conventional diets inevitably lead to weight regain?
  • How do natural biological cycles dictate your daily energy levels?
  • What happens when you combine incompatible foods in your stomach?
  • How can you eat abundantly while losing excess weight?

1. Why Diets Don't Work

Traditional dieting fails because it relies on temporary deprivation and regimentation, creating a vicious cycle of binging and weight regain.

Diets force the body to undergo turmoil while adapting to a strict regimen, only to readapt to old patterns when the diet ends. Rather than teaching healthy long-term habits, diets cause dieters to constantly fixate on food while enduring unnecessary stress.

Marilyn Diamond shares a personal history of trying every diet available, including eating only eggs and cheese or celery and hamburger patties for thirty days, only to gain back the lost weight plus an extra five pounds immediately afterward.

Obesity remains a massive nationwide crisis. Statistics show that 62 percent of all Americans are considered to be overweight. Over forty-four million Americans are considered to be clinically obese. People spent 15 billion dollars on weight-loss schemes in the United States alone in 1982.

Calorie counting is an ineffective gauge for weight loss because the quality of calories and food combining matter far more than mere numerical quantities. Processed or devitalized calories burden the system and add weight, whereas high-water-content calories provide the energy needed to eliminate waste and lose weight.

A breakfast of 190 calories consisting of oatmeal, wheat toast, and cream cheese sits in the stomach for six to eight hours creating toxins, whereas a 220-calorie breakfast of fresh orange juice, melon, and strawberries passes through in under half an hour providing real energy.

  • Forget about counting calories and instead focus on high-quality food and high-water-content items.

Specific time intervals must elapse after eating various types of non-fruit meals before consuming fruit again to ensure the stomach is empty. The digestion time of a meal dictates how long one must wait before introducing fruit to avoid food collision and fermentation in the stomach.

  • Wait 2 hours after a salad or raw vegetables before eating fruit.
  • Wait 3 hours after a properly combined meal without flesh before eating fruit.
  • Wait 4 hours after a properly combined meal with flesh before eating fruit.
  • Wait 8 hours after any improperly combined meal before consuming fruit or fruit juice.

Systemic detoxification can temporarily cause minor discomforts as accumulated toxic waste is stirred up and flushed from the body after decades of improper eating. Fewer than 10 percent of people experience temporary cleansing symptoms such as bloating, headaches, body aches, fatigue, loose stools, nausea, or mucus discharge, which indicate health returning rather than sickness.

  • View any temporary discomfort as the cleansing process taking place and health returning.
  • Do not stop the elimination process with medication like Kaopectate when experiencing loose stools.
  • Discuss any discomfort lingering for more than a few days with a doctor or health adviser to be safe.

2. The Natural Body Cycles

Daily bodily functions are governed by three distinct physiological cycles that dictate when the body appropriates, assimilates, and eliminates food.

The body divides its daily operations into distinct eight-hour periods. Appropriation runs from 12:00 noon to 8:00 P.M. Assimilation takes place from 8:00 P.M. to 4:00 A.M. Elimination of body wastes and food debris occurs from 4:00 A.M. to 12:00 noon. Disrupting these cycles by eating late at night or skipping natural elimination periods causes fatigue and weight retention.

Consuming nothing but fresh fruit and fruit juice from waking until noon protects the morning elimination cycle and prevents energy depletion. The word breakfast originally meant breaking a fast. Eating a heavy traditional breakfast forces the body to spend its vital energy on digestion instead of utilizing the morning energy peak for cleansing and weight loss.

  • From the time you wake up in the morning until at least noon, consume nothing but fresh fruit and fruit juice.
  • Eat or drink as much as you desire without overeating.
  • Wait about twenty to thirty minutes after consuming fruit before eating anything else.

The program encourages starting the day exclusively with fresh fruit or fruit juice, followed by raw vegetable salads and properly combined meals later in the day. Instead of restrictive dieting or starvation, the approach emphasizes high-water-content foods and proper food combinations without counting calories or restricting portion sizes.

You can follow a simple structure throughout the day:

  • Awaken in the morning and have a large glass of fresh fruit juice or a fresh fruit salad.
  • Eat fresh fruit whenever hungry during the morning until noon.
  • Have a large salad made with fresh, raw vegetables at lunch, optionally with whole-grain toast, butter, soup, or a vegetable sandwich.
  • Eat a dinner featuring buttered yams, rice, baked potatoes with steamed vegetables, or a main-course salad, meat, chicken, or fish with vegetables.

3. High-Water-Content Foods

To maintain metabolic balance, cleanse the body, and lose weight, the diet must be predominated by high-water-content foods like fresh fruits and vegetables.

Since 70 percent of the human body is made up of water, you require live foods with high water content to nourish cells and wash away internal wastes. Drinking plain water cannot replace the enzymes and nutrients found in fresh produce. When your diet lacks natural water content, you might feel compelled to consume 8 glasses of water a day.

Dr. Norman Walker lived to 109 actively and healthfully on raw plant foods containing live enzymes. Alexander Leaf found that long-lived populations like the Abkhazians, Vilcabambans, and Hunzukuts consume diets consisting of 70 to over 80 percent high-water-content food. These populations avoid the fate of many others, as 62 percent of the population of this country is overweight.

Temperatures above 130 degrees F. destroy food enzymes. This heat destruction turns nourishing items into clogging substances rather than cleansing ones.

Distilled water is superior for health because it lacks the inorganic minerals found in spring water that form arterial plaque. Fruits and vegetables provide naturally distilled water containing organic minerals that become part of the cellular structure, whereas inorganic minerals from spring water accumulate as harmful deposits.

You can evaluate your intake with practical steps:

  • List everything you ate today or yesterday, including small tastes.
  • Ask yourself if the food on your plate is of a cleansing or clogging nature.
  • Ensure approximately 70 percent of your meal consists of high-water-content food.
  • Drink distilled water if you choose to consume water separately from your food.

Fruit must never be eaten with or immediately following another food, but always on an empty stomach, to prevent the entire meal from rotting, fermenting, and turning to acid. If fruit is trapped behind a heavy meal, it is prevented from passing directly into the intestines. This causes proteins to putrefy and carbohydrates to ferment, leading to indigestion and heartburn.

Eating a piece of melon after a sandwich causes the melon to be trapped, fermenting in the stomach and resulting in the person burping it up all night.

4. Proper Food Combining

Mixing incompatible concentrated foods like proteins and starches neutralizes digestive juices. Food putrefies and ferments in the stomach for hours instead of passing smoothly. This wastes massive amounts of energy and generates toxins. Eating compatible foods frees up energy for elimination.

Proper food combining prevents digestive stagnation by ensuring that the stomach does not attempt to digest more than one concentrated food at a time.

Henry Ford prohibited the mixing of starches and proteins at his Wayside Inn school. He considered them chemically incompatible and vital for student work energy. Properly combined food spends about 3 hours in the stomach. Americans spend thirty billion dollars on drugs every year, swallowing twenty-five million pills every hour.

You can avoid digestive distress by following specific pairing rules:

  • Eat only one concentrated food at a time during a meal
  • Pair flesh proteins exclusively with vegetables and a tossed salad
  • Pair starches exclusively with vegetables and a tossed salad
  • Avoid drinking water during a meal to prevent diluting digestive juices

Protein is not built directly from eating animal protein. The body constructs needed proteins from individual amino acids supplied by plants. These amino acids are stored in an active circulating reserve called the amino acid pool. Arthur C. Guyton discussed this pool in his 1964 work Physiology of the Body. E. S. Nasset supported the theory in World Review of Nutrition and Dietetics.

The body uses 23 different amino acids, including 8 essential amino acids that must be derived from food. The amino acid pool operates like a twenty-four-hour bank. The liver and cells make continuous deposits and withdrawals depending on blood concentration. You do not need to eat complete proteins at every meal.

Human anatomical and physiological features are entirely unsuited for meat-eating. Meat supplies no carbohydrates or fuel value and contains no fiber. Human teeth, jaws, saliva containing ptyalin, oblong stomachs, and twelve-trunk-length intestines resemble plant-eaters and frugivores. Carnivores have short intestines, acid urine, and the uricase enzyme to break down dangerous uric acid.

Strongest animals on the planet such as elephants, oxen, horses, mules, camels, water buffalo, and the silverback gorilla eat leafy matter, grass, and fruit. A meat-eating lion sleeps 20 hours a day, while a plant-eating orangutan sleeps 6 hours. A 1961 Journal of the American Medical Association report noted that a vegetarian diet can prevent 90 to 97 percent of heart disease. The country consumes 33 million cattle a year.

If you continue to eat meat, follow these steps:

  • Seek a good source of meat raised with no chemical additives if continuing to eat it
  • Eat flesh no more than once a day, late in the day
  • Properly combine meat and never eat it with foods that are improperly combined

Dairy products are highly acidic, mucous-forming, and contain dense casein. Cow's milk contains 300 times more casein than human milk. This casein forms tough curds that can adhere to intestinal linings and block nutrient absorption. Adults largely lack the renin and lactase enzymes needed to break down milk after age three.

Dr. Norman W. Walker considers casein a major contributing factor to thyroid problems. Dr. William A. Ellis researched milk and related problems for 42 years. He noted through 25,000 blood tests that adults using milk products experience poor absorption and chronic fatigue.

Enjoy dairy products safely with these methods:

  • Consume milk absolutely alone if eaten at all
  • Chop cheese in chunks in a salad without croutons or melt over vegetables, avoiding yellow cheeses soaked in chemical dyes
  • Eat yogurt plain on an empty stomach or make it into a salad dressing rather than combining with fruit

Human beings do not need dairy products for calcium. Raw sesame seeds, nuts, kelp, dulse, and leafy greens provide fine calcium that is not used up neutralizing acid. Calcium in cow's milk is coarse, tied up with casein, and degraded by pasteurization and homogenization. Dairy products are extremely acid-forming, causing the body's existing calcium to be usurped to neutralize the resulting acid rather than building bones.

  • Sprinkle ground raw sesame seeds on your salad or vegetables to ensure abundant calcium intake

5. The Energy Ladder

The Energy Ladder structures daily eating so that high-water foods are consumed early in the day and concentrated foods are eaten later.

Fruits and vegetables sit at the top of the ladder for the morning elimination cycle to support high energy. Grains, potatoes, dairy, and flesh foods sit at the bottom when your body can focus its remaining energy on digestion.

Morning meals should consist exclusively of fresh fruit and fresh fruit juice until noon to support the body's natural elimination cycle.

Eating only fruit and juice before noon ensures your body spends its energy on elimination rather than digestion. Bananas work well when you crave heavier food, while dried fruits and dates should be avoided during weight loss. Marilyn's children maintained better health and avoided colds and mucous congestion by following the morning fruit routine from an early age.

  • Start your day with eight to fourteen ounces of fresh fruit juice if desired
  • Have pieces of fruit throughout the morning as you feel hungry
  • Have a minimum of two servings of fruit in any three-hour period
  • Eat as much fruit as you desire without undereating or overeating
  • Eat melons before other fruit
  • Eat bananas when you are particularly hungry and craving heavier food

Freshly extracted juices serve as the finest real form of nutritional supplementation and provide vital energy without chemical toxins. Dr. Norman W. Walker is cited as a fruit and vegetable juice proponent who lived to be one hundred and nine years old.

  • Consider owning your own juicer, such as the Champion, Ultra-Matic, or Oster
  • Drink fresh juices slowly on an empty stomach, mixing them with your saliva

Main-course salads serve as a core high-water-content meal that ensures the bulk of what you eat consists of raw, live vegetables. Seven hundred and fifty people devoured sixteen hundred New York Goodwiches at a seminar on the Queen Mary in Long Beach, California.

  • Substitute any main-course salad for any dinner menu or for another salad
  • Keep the bulk of the salad consisting of high-water-content vegetables

You can utilize salad bars effectively for weight loss if you carefully plan your combinations and avoid mixing concentrated proteins and carbohydrates. Salesmen working with the authors packed a flask of dressing in their attaché cases for their daily stop at the salad bar.

  • Survey the entire offering before taking a plate and plan your food combinations
  • If choosing a protein, forgo all carbohydrates like beans, bread, and potato salad, and vice versa
  • Bring your own chemical-free dressing or use lemon wedges and oil

Avocados are a nutrient-dense vegetable fruit containing natural plant fats easily digested by the human body when properly combined. Limit your intake to no more than one half to one large avocado per person on any given day.

  • Limit consumption to no more than one half to one large avocado per person daily until accustomed to it
  • Combine avocados with starches or raw vegetables, but avoid combining them with proteins
  • Wrap cut avocado tightly with its seed and refrigerate to prevent discoloration

Conclusion

Permanent health and sustained vitality emerge when you stop fighting your body and begin working in harmony with its natural physiological cycles.

The principles of natural hygiene, proper food combining, and morning fruit consumption unite to eliminate toxic accumulation and restore your vital energy. You no longer need to rely on restrictive deprivation or complicated caloric arithmetic to maintain your ideal weight. Instead, you can adopt a sustainable lifestyle centered on high-water-content foods and respectful digestion.

  1. Eat fresh fruit exclusively until noon to support the body elimination cycle.
  2. Consume high-water-content vegetables and fruits as the foundation of every meal.
  3. Separate concentrated proteins and concentrated carbohydrates into different meals to prevent digestive stagnation.
  4. Allow at least three to four hours between meals containing different concentrated foods.
  5. Ascend the Energy Ladder gradually to let your body adapt to higher vitality without sudden shock.

10 Key Ideas

  1. Traditional dieting fails because it relies on temporary deprivation and regimentation, creating a vicious cycle of binging and weight regain.
  2. Daily bodily functions are governed by three distinct physiological cycles that dictate when the body appropriates, assimilates, and eliminates food.
  3. To maintain metabolic balance, cleanse the body, and lose weight, the diet must be predominated by high-water-content foods like fresh fruits and vegetables.
  4. Proper food combining prevents digestive stagnation by ensuring that the stomach does not attempt to digest more than one concentrated food at a time.
  5. The body constructs needed proteins from individual amino acids supplied by plants and stored in an active circulating reserve called the amino acid pool.
  6. Adult humans lack the necessary enzymes and suffer from the dense casein and acidic nature of dairy products, which cause poor absorption and chronic fatigue.
  7. The Energy Ladder structures daily eating so that high-water foods are consumed early in the day and concentrated foods are eaten later.
  8. Morning meals should consist exclusively of fresh fruit and fresh fruit juice until noon to support the body's natural elimination cycle.
  9. Freshly extracted juices serve as the finest real form of nutritional supplementation and provide vital energy without chemical toxins.
  10. Permanent health and sustained vitality emerge when you stop fighting your body and begin working in harmony with its natural physiological cycles.

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