Medical research

Lacking quality weed extract, US researchers turn to Canada

In a rare move, the U.S. government has approved the importation of marijuana extracts from Canada for a clinical trial, highlighting a new avenue for American researchers who have long had trouble obtaining the drug for ...

Addiction

Pot may alter brain function of some with HIV

(HealthDay)—Using marijuana when you have HIV could lead to problems with brain function if you also abuse alcohol or drugs, a new study finds.

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