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Prevent Alzheimer's disease by drinking five cups of coffee a day.

As remarkable as it may seem, scientists have conducted a study which suggests you can go a long way towards preventing Alzheimer's disease simply by drinking five cups of coffee a day.

Gary Arendash, a researcher at the Byrd Alzheimer's Institute in Tampa, Florida, says giving mice with Alzheimer's the human equivalent of five cups of coffee, or 500 grams of caffeine, a day has plaque-busting effects and reverses symptoms of impaired memory in aging Alzheimer's mice.

According to his study, the caffeine in coffee can reduce levels of two enzymes that play a role in the complex process of amyloid plaque formation.

"I don't know of any drug under development that can address and suppress both of these enzymes," Arendash said.

The remarkable thing is that a simple cup of coffee appears to have more effect on preventing Alzheimer's than the expensive pharmaceuticals currently being used to treat the disease.

Maybe we shouldn't be entirely surprised by these findings, as coffee has long been known to enhance people's cognitive abilities. That's why we drink coffee to sharpen our concentration or "wake up" quickly in the morning.

Can coffee really prevent Alzheimer's? More studies will need to be done. But this early research is very promising.

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