MontanaPBS's new documentary, Clearing the Smoke, reveals how cannabis acts on the brain and in the body to treat nausea, pain, epilepsy and potentially even cancer. Extensive interviews with patients, doctors, researchers and skeptics detail the promises and the limitations of medicinal cannabis.

Program: MontanaPBS Presents
Episode: Clearing the Smoke: The Science of Cannabis

Duration: (56.50)
Premiere Date: 02/28/2011
Episode Expires: Never
TV Rating: NR