Topic: DRUGS - on April 27, 2007 at 12:45:00 PM CEST
U.S. marijuana grows stronger than before
Analysis of seized samples of marijuana and hashish showed that more of the cannabis on the market is of the strongest grade, the White House and National Institute for Drug Abuse said.
They cited data from the University of Mississippi's Marijuana Potency Project showing the average levels of THC, the active ingredient in marijuana, in the products rose from 7 percent in 2003 to 8.5 percent in 2006.
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