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Weight Loss Drugs - Little Testing
Historically, weight-loss drugs have been subjected to very little testing; almost no long-term studies have been produced. Research indicates that risks of drugs such as fenfluramine, phentermine, and dexfenfluramine increase dramatically the longer the drugs are used. In addition, the drugs produce minimal weight loss, and upon discontinuing the use of any of the drugs, the weight is virtually always regained. For example, amphetamines produce an average loss of 10-20 pounds before the drug loses effectiveness, and dexfenfluramine produces an average of six pounds of weight loss when compared to a placebo. Further, anecdotal evidence suggests that consumers eager to speed weight loss frequently take multiple, more dangerous doses of weight-loss drugs. Vulnerable consumers have also been misled and harmed by unregulated herbal, so-called "natural," weight-loss drugs.
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