Marijuana – A Real Danger to Young Lives (tags)
Today’s marijuana is far more potent than in decades past. In the 1960s and 70s, THC (the active compound that generates the so-called “high”) levels of marijuana smoked by baby boomers averaged around 1%, increasing to just under 4% in 1983, and almost tripling in the subsequent 30 years to around 11% in 2011.