Teens 3 times more prone to marijuana abuse than adults. Teenagers’ developing brains may make them more susceptible, British researchers say. Read more

About 1 in 7 U.S. kindergarteners are now obese. New findings suggest that efforts aimed at getting kids to move more and make healthier food choices just aren’t working, researchers say. Read more

Age a big factor in COVID vaccine attitudes. Because they consider themselves at low risk for severe illness, adults under 30 were far more likely to skip getting the shots, a new survey found. Political leanings also play a major role. Read more