A new UC San Diego study strengthens the growing body of evidence that marijuana use impacts adolescent brain development. Researchers observed slower gains in cognitive tests that measured memory, focus and thinking speed among middle and high school-age kids who used cannabis when compared to those who abstained.

The White House psychedelics executive order accelerates research, clinical trials and "Right to Try" access for drugs like psilocybin, MDMA and ibogaine.

Add Yahoo as a preferred source to see more of our stories on Google. In a major change to federal marijuana policy, President Donald Trump signed an executive order in December to classify marijuana as a less dangerous substance. On Dec. 18, the president ...

KNOXVILLE, Tenn. – The crackdown on the Detroit-to-Tennessee drug pipeline resulted in three more arrests and the discovery of 11 pounds of meth and marijuana. East Tennessee prosecutors and law enforcement officers said they are continuing to disrupt ...