Weight Per Volume Percent
Popular diets these days frequently tout reducing foods high in carbohydrates and fat as the panacea for effective and fast weight loss. Since few studies existed that extended beyond one year to prove the effectiveness of targeting carbohydrates and fat, a group of health researchers decided to put the idea to a test with a clinical trial sponsored by the National Heart, Lung and Blood Institute. The results of the study, published in February 2009, in the New England Journal of Medicine revealed that reducing overall calorie consumption, not targeting macronutrient components like carbohydrates and fat is the real basis for effective weight loss.
Weight Loss Study Composition and Conclusion
Eight hundred and eleven overweight adults were assigned randomly to one of four different diets. Each of the four diets differed in percentages of carbohydrate, fat and protein. At the end of two years the researchers discovered that all of the participants lost about the same amount of weight regardless of which diet had been followed. The bottom line the researchers concluded was that the key to effective weight loss is simply reducing overall calories regardless of the macro nutrient content of the calories consumed. In other words, diets that limit carbohydrates and fat or that emphasize protein are not more effective in helping people to lose weight.
Composition of a Healthy and Effective Diet
Following a diet that severely limits intake of certain macro nutrients like carbohydrates and fat is not only no more effective but actually is a less healthy approach to losing weight. Most medical experts, according to the Life Clinic website, say that carbohydrates should represent 60 percent of the calories consumed each day and fat about 30 percent (with 10 percent or less from saturated fat). The same source notes that based on recommendations of the Food Guide Pyramid, for most adults, two to three servings of protein per day is sufficient. As a guide, one serving is represented by three to four ounces of cooked lean meat, poultry or fish or one-half cup of beans, lentils or legumes.
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