Add Yahoo as a preferred source to see more of our stories on Google. Researchers from the University of California-San Francisco looked at the blood vessels of 55 people between 18 and 50 years old.

The federal government’s reclassification of medical marijuana products as Schedule III drugs doesn’t federally legalize marijuana, but it might extend tax breaks to some cannabis businesses.

The decision is the latest sign that federal health officials want more research on medical marijuana as its use grows. Cannabis use among veterans has increased in recent years, according to the ...

May 29 (UPI) --Smoking or eating marijuana on a regular basis may damage a healthy person's blood vessels much like tobacco does, a small study finds. Researchers from the University of California-San ...