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Fad therapies.

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Attention Deficit and Disruptive Behavior Disorder↗

Health and fitness series--3. Popular dietary fads: how should health professionals respond?

Many magazines and health books for lay people extol the virtues of diets that produce weight loss, often rapidly and using unconventional régimes. In this article a dietitian summarises the basic physiology of weight loss and discusses three such types of diet: food-combining; "detox"; and the Atkins or high-protein, low-carbohydrate diet, including their physiological flaws and possible adverse side-effects.

Attitude of Health Personnel↗

Fad diets and obesity--Part I: Measuring weight in a clinical setting.

Obesity is a recognized epidemic in many regions around the world and billions of dollars are spent each year in attempting to combat this problem. However, before a discussion of the different conventional and alternative treatments for obesity can be initiated, it is first critical to determine whether or not a certain individual is actually overweight, obese, or has an excess of adipose tissue. Therefore, a review of the various popular and unpopular measurements of obesity is needed. A variety of measurements exist such as bioelectrical impedance, body mass index (BMI), crude weight, densitometry, dual energy x-ray absorptiometry (DEXA), lean body mass (LBM), skinfold thickness, and waist-to-hip ratio (WHR). All of these measurements contain inherent advantages and disadvantages, but many of these can still be used in a clinical setting. Health professionals should acquaint themselves with these different measurements in order to take the first step in bringing attention to and potentially treating a condition that affects virtually every medical discipline.

Anthropometry↗

Fad diets and obesity--Part II: An introduction to the theory behind low-carbohydrate diets.

Low-carbohydrate diets are not only highly popular but also controversial. The theory or general concept behind the low-carbohydrate dietary approach needs to receive more attention to provide more objectivity to this discussion. The theory or concept that actually has some evidence currently lies in the values of the glycemic index (GI) and glycemic load (GL). Basically, the higher the GI, the greater the glucose response. However, the GI system that was originally proffered in 1981 comes with one apparent limitation in that some foods or beverages need to be obtained in enormous amounts in order to observe such a glucose change. Therefore, the newer concept of GL (derived from the GI) is based on a more moderate-portion size and the resultant glucose change with some of the higher GI foods or beverages actually demonstrating a low GL. These and other limitations and some advantages of low-carbohydrate diets with an emphasis of what an actual GI or GL means are discussed.

Diet Fads↗