The nicotine patch designed to help people quit smoking can also improve memory in older adults with mild cognitive impairment, or MCI, a small clinical trial found.
The trial involved 67 non-smokers with MCI, which is considered an intermediate between normal aging and dementia. People with MCI are more likely to develop Alzheimer's disease.
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http://abcnews.go.com/Health/Alzheim...2#.TwubMt03y41