Healthy eating lowers your risk of diabetes, hypertension, and heart disease, but it's not yet clear if that's true for Alzheimer's disease as well.
"I can't write a prescription for broccoli and say this will help--yet," says Sam Gandy M.D., Ph.D., the associate director of the Mount Sinai Medical Center Alzheimer's Disease Research Center, in New York City.
(The National Institutes of Health recently said there is insufficient evidence that food, diet, or lifestyle will prevent Alzheimer's disease.)
It's not a lost cause though. Here are nine foods that researchers say will keep your whole body--including your brain--healthy.