Federal law classifies marijuana as a scheule 1 drug, meaning it has high potential for abuse, no medical use, and not safe to use without medical supervision. This means the federal government classifies marijuana as more dangerous than other "less dangerous" drugs including cocaine, methamphetamine, morphine, and oxycodone.
As a result, the U.S. government won't even allow medical studies to be conducted to determine it's possible use in a medical / clinical setting. However, one needs only look to other countries to see what studies they are doing.
An international team of investigators from Italy and the United Kingdom assessed the anti-cancer properties of various non-psychoactive synthetic and botanical cannabinoids, including CBD, CBG (cannabigerol), CBN (cannabinol) and THCV (tetrahydrocannabivarin), in vivo and in vitro (in culture). Researchers reported, “The … data presented here allows us to suggest that non-THC cannabinoids, and CBD in particular, retard proliferation and cause apoptosis (programmed cell death) of prostate carcinoma growth via a combination of cannabinoid receptor-independent cellular and molecular mechanisms. … We suggest that non-THC cannabinoids … might provide the basis for the development of novel therapeutic strategies for the treatment of prostate carcinoma.” Read the abstract here: http://www.ncbi.nlm.nih.gov/pubmed/22594963
A separate study of cannabinoids on prostate cancer published in a recent edition of the Indian Journal of Neurology also concluded, “Prostate cancer cells possess increased expression of both cannabinoid 1 and 2 receptors, and stimulation of these results in decrease in cell viability, increased apoptosis, and decreased androgen receptor expression and prostate-specific antigen excretion. … It is our conclusion that it would be of interest to conduct clinical trials involving medicinal cannabis or other cannabinoid agonists, comparing clinical markers such as PSA with controls, especially in men with bone metastatic prostate cancer, whom would not only benefit from the possible anti-androgenic effects of cannabinoids but also from analgesia of bone pain, improving quality of life, while reducing narcotic consumption and preventing opioid dependence.” Read the abstract here: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3339795/?tool=pubmed
For those folks battling crippling diseases or cancer, cannabis has been proven to not only help combat the side effects of medical treatments (some of which can be severe), but it also helps those folks cope with the fact that their "Use By" date is approaching a lot sooner than they ever imagined it would.
Recent polls have shown that over half the population of this country favor the implementation of medical marijuana laws. Nineteen states and the District of Columbia currently allow qualified patients to use medical marijuana with recommendations from their physicians. At least ten more states are expected to consider similar legislation soon. It's time that the federal government gets on board and acknowledges the fact that marijuana doesn’t just have medical value; it has medical necessity.