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A comment on Regular cannabis use were associated with poorer cognitive performance. Parent comment

Re:Regular cannabis use were associated with poorer cognitiv... by ciarannolan on Thursday September 03, 2020 @09:43PM (#24370952)
Yes:

> Overall, the potency of illicit cannabis plant material has consistently risen over time since 1995 from approximately 4% in 1995 to approximately 12% in 2014.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4987131/

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Re:Regular cannabis use were associated with poorer cognitiv... by tstrimple on Thursday September 03, 2020 @10:03PM (#24371039)
Concentrates are regularly in the 60%-80% range, with some crystalized versions hitting above 90%.
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