Liz Szabo

A large new study is the latest to find no link between rising cellphone use and rates of brain cancer.

A study released Monday adds to the debate over whether television impairs children's language development. The study finds that parents and children virtually stop talking to each other when the TV is on, even if they're in the same room.

A new study shows that more than half of teenagers mention drugs, alcohol, sex or violence on their MySpace pages. Yet getting teens to clean up their pages is easier than many might assume, researchers say.