JAMA Psychiatry

Psychology & Psychiatry

Marijuana concentrates spike THC levels but don't boost impairment

Smoking high-potency marijuana concentrates boosts blood levels of THC more than twice as much as smoking conventional weed, but it doesn't necessarily get you higher, according to a new study of regular users published today ...

Psychology & Psychiatry

Does pot really dull a teen's brain?

Pot-smoking teens may not be dooming themselves to a destiny of dim-wittedness, a new review suggests.

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