Why Scientists Are Starting to Worry Popular Supplements Could Harm the Aging Brain

People tend to think about supplements the way they think about food: Things that are inherently good or bad for you. Green beans are good. Potato chips are bad. Vitamin D and fish oil belong, presumably, on the green-bean side of the ledger.

But the aging brain may change the calculation, putting some of America’s most popular supplements under new scrutiny.

Recent research is raising a largely overlooked question: Can something that benefits (or is at least neutral to) a young, healthy brain become less helpful — or even harmful — as the brain ages?

Please select this link to read the complete article from The Washington Post.