Pot Evolution: How The Makeup Of Marijuana Has Changed Over Time

March 23, 2015 5:06 PM

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Marijuana has definitely evolved in the last few decades. Its potency is higher than ever: A lab in Colorado has just analyzed 600 samples of marijuana, both recreational and medical, and found that tetrahydrocannabinol (THC) content has risen markedly, whereas cannabidiol (CBD), which many say has therapeutic value, has declined. For all the acceptance that marijuana has gained in recent years – four states allow the sale of pot for recreational use, and 23 states and Washington, DC allow marijuana for medical use – the lack of normalization among marijuana sales may slow the process, since it gives opponents an opening to criticize. Though the results of the new study may be disappointing to some, they’re clearly needed, since they show where the market is now and where it needs to go.

The results of the study will be presented this week at a meeting of the American Chemical Society (ACS) in Denver.

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