IN work that sounds a little like scientific blasphemy, medical researchers have begun paying increasing attention to some beneficial effects of nicotine that were first noticed in cigarette smokers.
After years of quiet discussion among scientists, hints that cigarettes can protect against some diseases or improve the outcome of others have led to growing interest in finding out why. This has focused attention on nicotine, tobacco's most active ingredient, as a potential treatment for several major health problems, including Parkinson's and Alzheimer's diseases. MORE
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