“There are now between 50,000 and 80,000 dietary supplements on the market, according to the F.D.A. The agency also says that three of every four American consumers now take a dietary supplement regularly. For older Americans, the rate is four out of five.” A lot of those pills and powders do nothing, and many are harmful. And, yet, the supplement aisle in your pharmacy continues to sell more fiction than bookstores and Hollywood combined. NYT: F.D.A. Warns Supplement Makers to Stop Touting Cures for Diseases Like Alzheimer’s. (As long as we’re just talking about warnings, nothing with change…)