That's the findings of researchers at the University of South Florida and the University of Miami.
Higher doses of caffeine appears to cause a delay in the onset of Alzheimer's -- even in older patients who show early signs of the disease.
Researchers say that suggests that drinking about three cups of java a day could help hold off Alzheimer's.
The study is published in the "Journal of Alzheimer's Disease."
Get Eyewitness News Delivered