Diet And Dementia Research Needs To Be Improved
If you look on the Internet for articles about foods that are good for your brain, you will find a lot of them. Some of these stories mention observational studies that have found a link between eating less or more of certain foods and the risk of dementia. But clinical studies that tried to find a link between certain nutrients or diets and how well the brain works have not found convincing evidence. Hussein Yassine, MD, associate professor of medicine and neurology at the Keck School of Medicine of USC and the Kenneth and Bette Volk Chair of Neurology of USC, said that many trials have not found that making people eat healthy or exercise has the benefits that epidemiological research predicts. "That means either there isn't a cause-and-effect link or these studies aren't set up right." To figure out why epidemiological research and clinical trials don't match up, Yassine led the Nutrition for Dementia Prevention Working Group, a group of scientists who spent two...