10 Hidden Health Secrets of Coffee

Avoid Alzheimer's

A 2009 study found that people who drank three to five cups of coffee a day at midlife were 65 percent less likely to develop Alzheimer's in their later years, compared to those who drank little or no coffee. Other research suggests that the caffeine in coffee may reduce production of the protein beta-amyloid, deposits of which often form in the brains of Alzheimer's patients.