Survey: More US adults use marijuana, don't think it's risky

NEW YORK (AP) - New research shows more U.S. adults are using marijuana, using it more often and far fewer think it's risky.

That's understandable, experts say, as dozens of states now allow medical marijuana and four states have recently legalized pot for recreational use.

More than a half million U.

Survey: More US adults use marijuana, don't think it's risky