Psychology & Psychiatry

Does smoking marijuana cause teen behavior problems or vice versa?

As dozens of states move toward legalizing marijuana—for both medical and recreational purposes—scientists and parents have asked what the impact might be on children. Will more teens use pot? Will doing so cause behavioral ...

Addiction

Cannabis compound CBD found in common Brazilian shrub

Scientists have discovered cannabidiol, a compound in marijuana known as CBD, in a common Brazilian plant, opening potential new avenues to produce the increasingly popular substance, a lead researcher said Thursday.

Health

Marijuana policy has outpaced science, says researcher

With marijuana legalization advancing in several states, including Massachusetts, scientists are working to answer questions about the drug's effectiveness as a medicine and its impact on health and the brain.

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