ANNOUNCER: If you've bought packaged food, you've seen one of these before. But do you know the right way to read it? RISA SCHULMAN, NUTRITION...

ERIC BRAVERMAN, MD, ANTI-AGING EXPERT: We know that sugar, white flour, you know, from French fries to junk food, they're all basically causing...

ERIC BRAVERMAN, MD, ANTI-AGING EXPERT: Everybody loses some degree of memory as they get older, as they slow down. ANNOUNCER: It's true that...