clip from article:
Marijuana, already shown to reduce pain and nausea in cancer patients, may be promising as a cancer-fighting agent against some of the most aggressive forms of the disease.
A growing body of early research shows a compound found in marijuana - one that does not produce the plant's psychotropic high - seems to have the ability to "turn off" the activity of a gene responsible for metastasis in breast and other types of cancers.
Two scientists at San Francisco's California Pacific Medical Center Research Institute first released data five years ago that showed how this compound - called cannabidiol - reduced the aggressiveness of human breast cancer cells in the lab.
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