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.

Adolescent cannabis users show slower gains in thinking and memory skills as they age. The study published in ...

Researchers at the UC San Diego School of Medicine found that teenage cannabis use is associated with slower cognitive ...

For decades, my colleagues and I advanced the premise that early substance use—nicotine, alcohol, or cannabis (or other addicting drugs)—interferes with critical maturation stages, particularly ...

Many teenagers underestimate the risks associated with cannabis. A long-term study involving nine- and ten-year-old children ...

Teens with exposure to the psychoactive chemical compound THC, also known as tetrahydrocannabinol, had worse memory over time ...

Please provide your email address to receive an email when new articles are posted on . High infant screen time was linked to accelerated maturation of the visual cognitive control network. This ...

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

A child who starts reading for fun by age nine enters adolescence with measurably different brain structure than a peer who ...

Spread the loveIntroduction The adolescent years are marked by significant cognitive development, where critical skills in memory and thinking are honed. However, a recent study has raised concerns ...

(Willie B. Thomas/DigitalVision/Getty Images) A long-term study of more than 11,000 children and teens has linked ...