Today’s marijuana is pretty strong stuff. Scientists keeping track of this kind of thing report that they’ve never seen marijuana as strong as what’s floating about now, and they’ve been keeping track of marijuana potency levels since 1970.
The University of Mississippi Potency Monitoring Project has just issued a report on increasing THC levels in Marijuana. The university research group has analyzed almost 63 000 seized marijuana samples since its inception more than 3 decades ago, and they have laboriously charted the steady increase in strength.
Today, the average seized marijuana has a potency of 9.6%, which is twice what it was in 1983.
The National Institute on Drug Abuse (NIDA) funds the research project, and they say that this increase in potency increases the risks of acute impairment and marijuana addiction.
The researchers did not discuss their testing methodology in determining potency increases.