Sometimes known as "butane hash oil," "dab," "wax," or "shatter," marijuana concentrates typically contain three times more THC than the dried marijuana flower.
A group of researchers in the Netherlands tested the substance's effects on 17 healthy volunteers in the lab
People who use high-potency marijuana on a daily basis may be at increased risk for developing psychosis.
A new study suggests that marijuana’s main active ingredient, THC may be more important for therapeutic effects.
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