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Does Alzheimer's run in your family?

My mom drinks at least 3 big cups of tea daily. There's no way she doesn't have Alzheimer's or some other form of dementia. Although her mother had Alzheimer's also, so maybe caffeine isn't enough to overpower genetics.

I wonder if tea has the same effect as coffee in this case. They both have caffeine.

It was mentioned that the affects of caffeine or decaf coffee alone don't seem to do the same work as caffeinated coffee.

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