As COVID-19 makes lung health a national concern, experts take another look at the dangers of e-cigarettes.
Relaxed marijuana laws seem to cause a dip in prescription opioid misuse. But the picture isn’t that simple.
A new Proto podcast explores the effects of pot on the teen brain and how one woman became part of the do-it-yourself medical device movement.
A more relaxed attitude toward legal marijuana may mean more use among teens. The long-term effects may not be good.
Adolescence is the brain’s boom time, a period of rapid development, specialization—and a heedless propensity for excess.
Scientists are untangling puberty’s central mystery: What combination of genes and environmental cues flip the switch?