Experts recommend that adults eat 28 grams of fiber a day. On average, we get 17 grams. What’s more, much of the fiber in ultra-processed foods may not deliver the benefits you expect. Here are 5 fiber surprises.

Does being cold boost your appetite? Can semaglutide help people with alcohol use disorder? Does mouth taping help sleep apnea? We look at those new studies, plus others on processed red meat, cancer, sleep, GLP-1s, and more.