[mugs99]

The scientists said nothing about marijuana. They were studying THC. Delta-9-THC, for example...

You're grasping at straws.
Journal of the American Medical Association, Dr. Lester Grinspoon MD:
"The main active substance in cannabis, 9-tetrahydrocannabinol (9-THC), has been available for limited purposes as a Schedule II synthetic drug since 1985. This medicine, dronabinol (Marinol), taken orally in capsule form, is sometimes said to obviate the need for medical marihuana. Patients and physicians who have tried both disagree. The dosage and duration of action of marihuana are easier to control, and other cannabinoids in the marihuana plant may modify the action of 9-THC. The development of cannabinoids in pure form should certainly be encouraged, but the time and resources required are great and at present unavailable. In these circumstances, further isolation, testing, and development of individual cannabinoids should not be considered a substitute for meeting the immediate needs of suffering people."
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[robertpaulsen]

"Dr. Lester Grinspoon MD"

Oh geez, screw that quack.

I'm referring to the Scripps Research Institute study YOU cited which concerned THC, not marijuana. You can't make these global assumptions about the efficacy of marijuana when the study limited itself to THC.