How Teens Get That Way

Finally, a light at the end of childhood.
Researchers at the National Institute of Mental Health and UCLA have been exploring how human minds mature, when they do. It's tricky enough just to live this journey, let alone to track it medically for 17 years. The researchers found that parts of the brain's 100 billion neurons matured at different times.
This makes intuitive sense to parents, who've watched their babies' progress from babbling infants to inquisitive toddlers to rambunctious kindergartners to chaotic grade-schoolers. …