Whip-Its: Brief Highs, Big Dangers

Despite a benign reputation for reducing users to peals of laughter, nitrous oxide can deprive the heart and brain of oxygen and cause damage. Nitrous oxide use is what reportedly landed actress Demi Moore in the hospital this week, according to the website TMZ.com, which posted statements from a friend who was at the 49-year-old actress's home when she lapsed into semi-consciousness. ...