The Missoula Chronic Clinical Cannabis Use Study was published in 2002. This project, with Ethan Russo as lead author, provided the first opportunity to scrutinize the long-term effects of cannabis on patients who had used a known dosage of a standardized, heat-sterilized quality-controlled supply of low-grade marijuana for 11 to 27 years. Read More
To date, a large number of controlled clinical trials have been done evaluating the therapeutic applications of cannabis and cannabis-based preparations. This current review reports on the more recent clinical data available.