Amelia Nierenberg in The New York Times:
Walnuts can improve cognitive function. Blueberries can boost memory. Fish oil supplements can lower your risk of Alzheimer’s disease.
You may have noticed these buzzy “brain food” claims scattered across online health articles and social media feeds. But can certain foods or diets really stave off or prevent dementia? Experts say that while nutrition studies are notoriously challenging to carry out, there is a compelling and ever-growing body of research that does suggest that some foods and diets may offer real benefits to an aging brain. So we spoke with two dozen researchers and pored over the research to better understand the links between diet and dementia. Scientists don’t yet know for certain what causes Alzheimer’s disease, the most common form of dementia. And there is currently no medication that can reverse it, said Dr. Uma Naidoo, the director of nutritional and metabolic psychiatry at Massachusetts General Hospital and the author of “This Is Your Brain on Food.”
More here.