Drinking tied to unsafe driving, marijuana use linked to poorer academics, job performance

Four-fifths of advanced cases are HER2-negative tumors, doctors' group says

Researchers saw little difference when it came to weight loss after one year

Modest reduction not significantly better than diet drugs or other surgeries

But many more women in U.S. are choosing the radical procedure

Higher levels of activity reap greater benefits, researchers find

Drinking tied to unsafe driving, marijuana use linked to poorer academics, job performance

Four-fifths of advanced cases are HER2-negative tumors, doctors' group says

Study finds hormone supplements have no effect on elderly patients' confusion

Many teen marijuana users exhibited withdrawal symptoms when they tried to quit, researchers say