Fiber is something most people could use more of. But experts advise caution with 'fibermaxxing'

U.S. consumers who have had their fill of finding protein added to everything from cereal to ice cream are about to meet the next big food fad: fiber. Americans have been boosting their protein intake for years; even Pop-Tarts and Starbucks are selling protein-enhanced products. But the number of new products promoted with high or [...]