Marijuana has become much more potent in the

Marijuana has become much more potent in the past few years. The illegal growers have selectively bred the more potent plants and the amount of the active ingredient —- known as THC — has increased from about 3 percent to about 15 percent. (Credit: iStock)

SHARE

Hot stuff

Guest stand outside New York Fashion Week at All the free swag to grab in NYC during NYFW Singer Katy Perry rallies supporters of Democratic presidential Celebs who've backed Hillary Clinton, Bernie Sanders

More like this

People protest against the use of carriage horses Mayor, get off carriage horses Democratic presidential candidate Bernie Sanders celebrates victory during Occupy this NBA and NHL players -- in addition to Force elevator techs to be licensed

Comments