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

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

According to a recently released study involving more than 11,000 teens who were tracked from the age of 9-10 until they were ...

Teenagers who started using weed had slower gains in thinking and memory skills as they grew, researchers report today in the ...

A UC San Diego study looked at marijuana use and cognitive development in more than 11,000 teenagers over the course of ...

SAN DIEGO — A new UC San Diego study strengthens the growing body of evidence that marijuana use impacts adolescent brain ...

Adolescence is a critical time for brain development, and what we’re seeing is that teens who start using cannabis aren’t ...

Add Yahoo as a preferred source to see more of our stories on Google. Given the complexity of the process, it’s astonishing any human has ever mastered the ability to read. Although written language ...

Previous research has found that the human brain reaches maturity sometime in the 20s, but a new study suggests that it never stops developing. Neuroscientists at the University of Cambridge have ...

Ever walked into a room and forgotten why you’re there? While occasional forgetfulness is normal, your everyday choices—including what you eat in the morning—can play a powerful role in sharpening ...