Nutrition therapy is based on the premise that diet in general or certain vitamins and minerals in particular can prevent or cure disease. Practices range from simply eating a balanced diet to maintain good health to taking mega doses of vitamins and or minerals to ward off disease or treat mental illness. A growing body of scientific evidence indicates that nutrition is even more important in preventive medicine than previously thought. But the majority of doctors and nutritionists still stress that for most people, a varied diet-low in fat and sugar, high in fiber and starches, and low enough in calories to maintain ideal weigh twill suffice.
Origins
Physicians have been prescribing special diets since the time of the ancient Greeks, and they continue to do so for patients with nutrition related diseases. The more recent practice of mega vitamin therapy (consuming t least 10 times the Recommended Dietary Allowance, or RDA) originated with Dr. Linus Paul g, a Nobel laureate chemist who coined the term orthomolcular therapy (meaning therapy with the right molecules) in 968, when he began to advocate very large doses of vitamin C to prevent or treat the common cold. During the 19 Os., megavitamin therapy was promoted as an alternative treatment for mental ill Ness. More recently, it has been advocate by food faddists a d self styled healers, as well as some conventional practitioners, as a cure for asthma, allergies, AIDS and even cancer. though good nutrition plays a role in treating these problems, there is no scientific proof that it can produce a cure.
Practitioners
Nutrition therapy is practiced by many of the 46,000 registered dietitian (R. D.) who are members of the American Dietetic Association. In addition, More than 500 doctors and other health professionals have passed, qualifying examination given by the American Board of Nutrition, and an equal number of member's of the American Nutritionists Association have obtained advice degrees in this specialty. Nutritionists may be licensed and,or certified depending on state requirement There are 29 states in which practitioners must meet,certain educational standards and pass an examination before they are legally entitled to call themselves certified dietitians or certified nutritionists. But anyone, regardless of training, can call himself a nutritionist or diet counselor, a situation, that has unfortunately left the door open to widespread quackery. Many chiropractors, naturopaths, herbalists, acupuncturists, and health food sales people also double as nutrition counselors, as do Some fitness trainers, . health club workers, and diet enter personnel.
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