 | | 5 / 12 4. Coffee protects against Parkinson's and dementia
Drinking a few cups of coffee a day could lower the risk of developing Parkinson's disease by as much as 25 percent, according to a study published in the Journal of Alzheimer's Disease. Although researchers think the protective effect comes from caffeine, they aren't sure exactly how it works. Coffee drinkers who have 3 to 5 cups daily are also 65 percent less likely to develop dementia, including Alzheimer's disease.
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