Megyn Kelly says she doesn't exercise and swears by the 'F-factor diet' to stay trim — here's the science behind it - AOL

AOL

Megyn Kelly says she doesn't exercise and swears by the 'F-factor diet' to stay trim — here's the science behind it AOL In Zuckerbrot's book, "The F-Factor Diet: Discover the Secret to Permanent Weight Loss," she makes the case for a high-fiber diet. She highlights two key benefits of the diet. One, fiber makes you feel full, so you end up eating less. Two, you're more ...