Doctor warns many Americans eat 'food-like substances,' not real food

Nearly half of Americans try to lose weight each year, and roughly 17% (about 43 million adults) follow a special diet like keto, vegan or Mediterranean, data shows.

With so many different diet plans and conflicting advice, it may be difficult to determine the right way to eat. Dr. Mark Hyman, M.D., says there isn't any single plan that works for everyone.

"The truth is the best diet is the one that works for your biology," he said on a recent episode of his podcast, "The Dr. Hyman...