Past animal and human studies have indicated that nicotine exposure inhibits the formation of amyloid plaque, a key feature of Alzheimer's disease. The results may not necessarily mean that smoking helps Alzheimer's victims, however, since a new study shows that chronic nicotine use appears to worsen the effects of a brain protein called tau, which is responsible for the fibrous tangles that are the other hallmark of the disease.
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Past animal and human studies have indicated that nicotine exposure inhibits the formation of amyloid plaque, a key feature of Alzheimer's disease. The results may not necessarily mean that smoking helps Alzheimer's victims, however, since a new study shows that chronic nicotine use appears to worsen the effects of a brain protein called tau, which is responsible for the fibrous tangles that are the other hallmark of the disease.
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