CASAColumbia.org: News Room: Press Releases: Non-Medical Marijuana III: Rite of Passage or Russian Roulette?

From 1992 – 2006:

· There was a 175 percent jump in the potency of marijuana (3.2 to 8.8 percent THC[i] concentration in seized samples).

via CASAColumbia.org: News Room: Press Releases: Non-Medical Marijuana III: Rite of Passage or Russian Roulette?.

Tags: marijuana

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