Early Marijuana Use Leads to Later Brain Problems

Young adults who began smoking marijuana before age 16 performed worse on cognitive tests compared to those who began smoking after age 16, says researcher Staci Ann Gruber, PhD, of Harvard Medical School and McLean Hospital, Boston. She presented her findings at a news conference Monday at Neuroscience 2010, the annual meeting of the Society for Neuroscience in San Diego.
Ream more »








