Good Calories, Bad Calories
Good Calories, Bad Calories4,5 4 5 Autor: Gary Taubes Narrador: Mike Chamberlain
For decades we have been taught that fat is bad for us, carbohydrates better, and that the key to a healthy weight is eating less and exercising more. Yet despite this advice, we have seen unprecedented epidemics of obesity and diabetes. Taubes persuasively argues that the problem lies in refined carbohydrates, like white flour, sugar, and easily digested starches, and sugars, and that the key to good health is the kind of calories we take in, not the number. There are good calories, and bad ones.
Good calories are from foods without easily digestible carbohydrates and sugars. These foods, such as meat, fish, fowl, cheese, eggs, butter, and non-starchy vegetables, can be eaten without restraint.
Bad calories are from foods that stimulate excessive insulin secretion, thereby making us fat and increasing our risk of chronic disease—all refined and easily digestible carbohydrates and sugars. The key is not how many vitamins and minerals they contain but how quickly they are digested. Therefore, apple juice or even green vegetable juices are not necessarily any healthier than soda. These foods include bread and other baked goods, potatoes, yams, rice, pasta, cereal grains, corn, sugar (sucrose and high fructose corn syrup), ice cream, candy, soft drinks, fruit juices, bananas and other tropical fruits, and beer.
Taubes traces how the common assumption that carbohydrates are fattening was abandoned in the 1960s when fat and cholesterol were blamed for heart disease and then—wrongly—seen as the causes of a host of other maladies, including cancer. He also documents the dietary trials of carbohydrate restriction, which consistently show that the fewer carbohydrates we consume, the leaner we will be.
With precise references to the most significant existing clinical studies, Taubes convinces us that there is no compelling scientific evidence demonstrating that saturated fat and cholesterol cause heart disease, that salt causes high blood pressure, and that fiber is a necessary part of a healthy diet. Based on the evidence that does exist, he leads us to conclude that the only healthy way to lose weight and remain lean is to eat fewer carbohydrates or to change the type of the carbohydrates we do eat, and, for some of us, perhaps to eat virtually none at all.
Good Calories, Bad Calories is a tour de force of scientific investigation—certain to redefine the ongoing debate about the foods we eat and their effects on our health.
Duración: 25H 35M
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