Find out what he said about healthy eating and exercise in our live chat. Teen Sadness May Be Depression Teenagers can be moody, surly and otherwise unpleasant. But sometimes their angst may be real depression, which if untreated can lead to suicide. To prevent suicide, the U.S. Surgeon General has started a new campaign. The flowers may be in bloom, but for some 35 million Americans spring is making their eyes itch, their noses run and their throats scratchy.
Scientists say they have found a way to coax brain cells taken from human cadavers back to life.
They hope this may one day provide an alternative to using embryos in stem cell research. Viagra may face some stiff competition in bedrooms soon. Results from preliminary tests show a new drug under development may maintain erectile function for 20 hours longer than Viagra. Parents Don't Lock Up Guns Parents will put up smoke detectors, will install electrical outlet protectors and will store poisonous household cleaners away from children. But they don't lock up their guns, a new study says.