Marijuana May Not Help Relieve Pain


By Molly Clifton

A compound found in marijuana can reduce pain, but a new study finds not in everyone.

Researchers gave men a pill containing the compound THC.


Only half the patients said they felt less pain.

In those men, scans showed there was less pain activity in the brain.

Doctors say the next step is to figure out why THC isn't effective on others.

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