Man Discovers He's a Woman at the Hospital PJ James' Extreme Weight Loss The fitness expert gained 90 pounds on purpose and then lost it all. Flesh-Eating Bacteria Victim Hits Milestone Aimee Copeland has begun breathing on her own for the first time. Skin Cancer Warning: Sunscreen Labels Misleading? Sunscreens claim to be waterproof, though they've been told to stop. Denver man now lives as a woman after nurse found he had traits of both genders. Head Trauma, Behavior Problems Linked Repeated hits to the head pose risk for young athletes playing contact sports. Calcium Supplements Raise Heart Attack Risk? Supplements taken to prevent osteoporosis may be bad for the heart. TB Scare: California Babies Possibly Exposed Officials screen anyone who had possible contact with a tuberculosis patient. Deaf Girl Regains Hearing Sammie Hicks' video diary documents her cochlear implant surgery. Lolo Jones Admits Trouble Keeping Boyfriends Olympian, 29, reveals difficulty with relationships because of her virginity.