November 25, 2008 2:57 pm Can Cracking Your Knuckles Cause Arthritis? In this segment, Dr. Allan Gibofsky answers your questions about arthritis. Can cracking your knuckles cause arthritis? US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 2:30 ‘Baby Reindeer': Inside Richard Gadd's Netflix phenomenon