Marijuana Science: Why Today’s Pot Packs a Bigger Punch

 Marijuana Science: Why Today’s Pot Packs a Bigger Punch (Source Live Science) The marijuana that is available today may be much more potent than marijuana cultivated in the past, according to the results of new tests. The psychoactive component in the marijuana plant is the chemical THC, and the new tests showed that today’s marijuana may contain 30 percent THC, Andy LaFrate, the author of the new report, said in a statement. By contrast, THC levels in marijuana 30 years ago were lower than 10 percent, said LaFrate, who is the president and research director at Charas Scientific, one of eight labs certified by the state of Colorado to conduct marijuana potency testing. “As far as potency goes, it’s been surprising how strong a lot of the marijuana is,” LaFrate said. He called 30 percent a “huge” number. At the same time, the marijuana samples tested had very low levels of a compound called cannabidiol, or CBD, that is touted for its medicinal properties. In fact, some samples did not contain any of this compound. Researchers are investigating CBD for its potential in treating people with schizophrenia, Huntington’s disease and Alzheimer’s disease. Still, even marijuana with low or nonexistent CBD levels has medicinal properties, said Anthony Fabrizio, a marijuana chemistry expert at Terra Tech Corp, a California agricultural company focused on local farming and medical cannabis.

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