Out of the over 2 million drug abuse emergency room visits in 2009, over 21 percent involved illicit drugs
North American marijuana herb seizures rose from over 3,200 metric tons in 2008 to 4,189 metric tons in 2009, mainly due to increases in both Mexico and the United States.
Research indicates that past year rates in relation to LSD use among males is typically much higher than rates of LSD use among females.
The concentration levels in many forms of GHB can vary greatly, making it nearly impossible for an user to know what dose they are actually consuming.