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Enter The Zone: A Dietary Road map Hardcover – May 12, 1995
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Barry Sears looks at why Americans still have dietary problems in spite of following the advice of experts. Challenging the current recommendations for a high carbohydrate diet, Sears looks into man's history as well as the diets athletes succeed best on, to build a new dietary picture. Anyone looking for better health through an improved relationship to what they eat should put this book on their list.
From Publishers Weekly
Ciao pasta, good-bye bread, rice and other "bad carbohydrates," which can include carrots, cranberries and corn. It's time to truck in the proteins. Sears, a biochemist, crowns years' worth of research into the effects of food on hormone production and metabolic activity with a program that will lead to "optimal health," peak performance (the zone of the title) and, not incidentally, weight control. Citing the importance of eicosanoids, a class of hormones that figures critically in metabolism, Sears has worked out an approach to eating that reduces one's daily production of insulin and, at the same time, draws on stored body fat for energy. A formula for calculating an individual's Lean Body Mass is tied to an estimated Physical-Activity Factor and used to establish one's daily protein requirement, which can easily be as much as 70 grams for a moderately active, middle-aged woman with 25-35% body fat. Recommending a diet that tightly balances the intake of protein, good (low-glycemic) carbohydrates and a moderate amount of monounsaturated fats, Sears is among those current weight-control specialists (e.g., Drs. Rachael and Richard Heller and Stephen Gullo [see Notes below]) who observe that there are many "insulin-resistant" Americans for whom the new food pyramid recommendations, heavily weighted with "high-density, high-glycemic carbohydrates," can be unhealthy. "Zone-favorable" recipes and food-count tables are included. BOMC and QPC alternates; author tour.
Copyright 1995 Reed Business Information, Inc.
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HOWEVER this is actually a good diet. Basicaly, you get a good balance of macro nutrients (protein, fat, and carbs), spaced out throughout the day, with reasonable portion control. It is mostly common sense to eat a 30:30:40 balance of protein, fat, and carbs (i.e. everything in moderation), but the author seems to think he's invented the wheel. And, then, he makes it way more complicated than it needs to be, with math that's explained in a convoluted way. Ignoring the fussy details, this is basicaly how I've been eating the past year and a half, while lifting once or twice a week, and ive lost 60 lbs while maintaining muscle mass, and i feel great. I just wish that, as a scientist myself, the book didn't make me cringe in anguish. And, I don't know why he has to be down on all grains, when some grains have a low glycemic index, like whole rye (e.g. the heavy dense german bread bricks), whole or steel cut oats, quinoa, etc. He mocks other diets for making unnecessary rules, and then he sets up unnecessary rules.
If you want a simpler version of this diet, here it is: Wear a fitbit, record everything you eat in the app, keep calories in lower than calories burned on the food graph, make sure the macronutrient pie chart on the app stays close to 30:30:40 protein:fat:carbs (honestly, depending on how many calories you burn per day, 25:25:50 is easier to do and is pretty close), and avoid food with a high glycemic index. That'll about do it.
This is chemistry that has won the NOBLE PRIZE!! Sear's is right about the importance of insulin. Anyone intersted in reading more facts about insulin should read Diabetes be David Nathan MD or the AMERICAN DIABETES ASSOCATION Complete Home Guide to Diabetes. Ernest Boehm , Diabetic and Chemist