![[Beta-amyloid plaques]](http://cdn1.medicalnewstoday.com/content/images/articles/312/312367/plaques-in-alzheimers.jpg)
Researchers say a healthy lifestyle could lower levels of plaques and tangles that are a hallmark of Alzheimer's disease.
Published in the American Journal of Geriatric Psychiatry, the study found people with mild memory problems who followed a Mediterranean diet, engaged in regular physical activity, or who had a normal body mass index (BMI) were less likely to experience a buildup of beta-amyloid and tau proteins in the brain.