Nationally, the potency of marijuana has more than tripled since the mid-1990s.
Average potency of marijuana flowers/buds in Colorado is now 17.1% THC while the average
potency for concentrates is 62.1%. Potency rates of up to 95% have been recorded.
After the Dutch observed negative impacts from rising THC potencies, a team of health experts
concluded that THC potencies above 15% should be considered a hard drug.
Colorado ranks 1st in the nation for youth (12+) use of marijuana.
Research shows marijuana is harmful to the developing brains of adolescents, which may result in psychotic symptoms, schizophrenia, drug addiction and lower IQs.