Cheaper, less regulated than cigarettes, these products may hook youth into lifelong addiction

Study found a sniff of oxytocin spray fooled volunteers more about sham treatments

Study found one-third lower risk of problems including heart attacks in vaccinated people

Study saw no decrease in infection rate among at-risk recipients given behavior-change advice

Cheaper, less regulated than cigarettes, these products may hook youth into lifelong addiction

Study found a sniff of oxytocin spray fooled volunteers more about sham treatments

Study found one-third lower risk of problems including heart attacks in vaccinated people

Study saw no decrease in infection rate among at-risk recipients given behavior-change advice

Nonusers were less likely to exercise, eat a healthy diet or get colon cancer screening

Taking up an activity such as digital photography appears to give a boost to aging brains