Dark roast coffee may reduce risk of Alzheimer's, Parkinson's diseases
By A Mystery Man Writer
Description
Canadian researchers tested light, dark and decaffeinated roasts to find out what type of coffee is best for brain health.
![Dark roast coffee may reduce risk of Alzheimer's, Parkinson's diseases](https://www.usatoday.com/gcdn/presto/2018/11/07/USAT/d7a20a6b-8db2-42f8-9167-c1d07a047e51-GettyImages-493685876.jpg)
Dark roast coffee may reduce risk of Alzheimer's, Parkinson's diseases
![Dark roast coffee may reduce risk of Alzheimer's, Parkinson's diseases](https://media.gannett-cdn.com/29906170001/29906170001_5858757091001_5858750813001-vs.jpg?pubId=29906170001&width=660&height=371&format=pjpg&auto=webp)
Dark roast coffee may reduce risk of Alzheimer's, Parkinson's diseases
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