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"Enter the Zone": The power of diet and nutrition on health and athletic performance"
by Sears, B.

Copyright © 1997 Theory and Review
Contents "Say the word hormone and most people immediately think of sex. And certainly the so called "sex hormones"- testosterone and estrogen- have vital jobs to do, not just in regulating sexual drive but in maintaining good health in general. Important as they are, testosterone and estrogen are but two soldiers in the vast army of hormones that come as standard equipment in all living organisms. Yet few of us realize how crucial hormones really are. The truth is that hormones regulate virtually everything that your body does- from controlling blood-sugar levels to the basic survival mechanisms involved in stress, fear and even love....It turns out that the food that you eat has an exceptionally powerful effect on all these hormonal response: endocrine, paracrine, and autocrine. Once you understand the power of the hormonal responses generated by the food you eat, you can no longer think of food simply as a source of calories for the body.... Optimal health is not a consequence of counting calories. It's based on an understanding of the complex hormonal responses that are generated every time you open your mouth to eat.... Food is the most powerful drug that you will ever encounter. Learning how to control hormonal responses to food is your passport to entering and staying in the Zone."

Prof. Barry Sears started out as a young researcher studying phospholipids and he quickly discovered several of the major barriers that block effective new treatments from reaching the market. For example his first area of research was on phospholipids which occur in nature- and therefore are not patentable. This means that the fact that these substances can completely unclog arteries has no interest for the major drug companies that need patentable products to make a profit. So Prof. Sears focused on changing the chemistry of phospholipids slightly to make them patentable. He moved from there to research that brought him many of the major patents for cancer delivery drugs and on to the "molecular glue" of the hormonal system: eicosanoids. In his search for hormonal balance, Prof. Sears wanted to find out how to induce the cells of the body to produce the proper quantities of eicosanoids, and he focused on using food to manipulate that balance.
Often people will focus on reaching physical health through the use of drugs- and ignore the most powerful drug that we have- food. Everything that you eat has an effect on the health of the body. When athletes try and reach their peak performance- a level of performance called the zone- they are trying to achieve perfect biological functioning. This book is all about trying to use diet and food to improve biological functioning.
Prof. Barry makes the mental shift from thinking of food as a source of calories, and instead focuses on it as a means for controlling the body's hormones. He invites us to think of food as a hormonal ATM card that will determine how much energy your body will have in the next five or six hours.
Prof. Barry's discussion of the way food intake influences the body's hormonal system is certain to revolutionize the understanding of nutrition in America. While some of his ideas are controversial- like eat more protein and fat, and less carbohydrates, his basic philosophy is sound. The foods you eat do influence the hormone levels in your body, and subsequently determine how you think and feel during the day. This book is must reading for anyone who is interested in integrating nutritional understanding with modern medicine.

References

Sears, B. & Larson, B. (1995) Enter the Zone New York: Regan Books

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