Medscape (3/26, Keller) reports that research presented March 19 at the International Conference on Alzheimer’s and Parkinson’s Diseases suggests that “higher consumption of green tea was associated with a lower risk for dementia or mild cognitive impairment (MCI),” but “black tea or coffee did not show the same effect.” Japanese researchers arrived at that conclusion after conducting “a population-based, prospective study of residents of Nakajima older than age 60 years, starting with participants with normal cognitive function in 2007-2008 as evaluated by using the Mini-Mental State Examination (MMSE) and the Clinical Dementia Rating (CDR) scale.”
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