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 ...

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 ...

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 ...

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 ...

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 ...

Who matters more to teenagers, their friends or their parents? When it comes to adolescents, most of us assume friends matter more than parents, and that answer seems obvious. Adolescence is often ...

The numbers are sobering: nearly 80 per cent of the world's teenagers don't get enough physical activity, according to the ...

Over the past decade in the United States, cannabis use has risen dramatically, with daily or near-daily consumption now affecting an estimated 18 million ...