Teens who start using cannabis before age 15 are more likely to use the drug often later in their lives. They are also more likely to develop mental and physical health problems in young adulthood ...

Until recently, the prevailing belief was that brain development ceased at around the time a child entered kindergarten (i.e., that the brain is 90-95% formed by age six). However, recent findings ...

University of Pennsylvania researcher Ran Barzilay is a father of three. His first two children received cellphones before they turned 12. But this summer, as early results from his own study on ...

A large study of brain scans shows that our neural wiring evolves through five major stages from birth to late old age. These phases are separated by sudden turning points that mark big shifts in how ...

In the class of things that happen so often or predictably as to become truisms are the high-risk activities that teenagers frequently engage in, like driving too fast, using alcohol or drugs, ...

Procrastination, the tendency to unnecessarily delay or put off tasks even if this will have negative consequences, is a common behavior for many people. While occasionally delaying or putting off ...