Highly Potent Marijuana Has Health Experts Worried
WeedAdvisor
MAY 16, 2019
Let us also not forget concentrates, whose potency dwarfs even the strongest dry herb. Drug Enforcement Administration found the potency increased from about 4% THC in 1995 to about 12% in 2014. She also mentions concentrates, like hash and hash oil, which can reach THC levels of 80 to 90%. so do emergency room visits.
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