Adolescence is widely thought to be a time when the brain trims away excess neural connections, refining circuits through synaptic pruning. New research now suggests this view may be incomplete.

Add Yahoo as a preferred source to see more of our stories on Google. Just as pediatricians use growth charts to monitor a child's height and weight, researchers have now created the first ...

SHANGHAI — Early to bed, early to rise makes teenagers… smarter? New international research using Fitbit data from thousands of teens has revealed that adolescents with earlier bedtimes and longer ...

During adolescence, the teen brain goes through dramatic changes which scientists are just beginning to better understand. For parents, teachers, and anyone who cares for a teenager—it is often ...

Scientists have discovered that the adolescent brain does more than prune old connections. During the teen years, it actively builds dense new clusters of synapses in specific parts of neurons. These ...

A study of more than 11,000 teens finds cannabis use tied to slower gains in memory, focus and thinking speed as well as ...