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Wednesday, 17 July 2013

Cannabis


Cannabis is a genus of flowering plants that includes three putative varieties, Cannabis sativa, Cannabis indica, and Cannabis ruderalis. These three taxa are indigenous to Central Asia, and South Asia.

  Medical use

A synthetic form of the main psychoactive cannabinoid in Cannabis, tetrahydrocannabinol (THC), is used as a treatment for a wide range of medical conditions.

In the United States, although the Food and Drug Administration (FDA) does acknowledge that "there has been considerable interest in its use for the treatment of a number of conditions, including glaucoma, AIDS wasting, neuropathic pain, treatment of spasticity associated with multiple sclerosis, and chemotherapy-induced nausea," the agency has not approved "medical marijuana". There are currently 2 oral forms of cannabis (cannabinoids) available by prescription in the United States for nausea and vomiting associated with cancer chemotherapy: dronabinol (Marinol) and nabilone (Cesamet). Dronabinol is also approved for the treatment of anorexia associated with AIDS. The FDA does facilitate scientific investigations into the medical uses of cannabinoids.


Medical cannabis is also used for analgesia, or pain relief. It is also reported to be beneficial for treating certain neurological illnesses such as epilepsy, and bipolar disorder. Case reports have found that Cannabis can relieve tics in people with obsessive compulsive disorder and Tourette syndrome. Patients treated with tetrahydrocannabinol, the main psychoactive chemical found in Cannabis, reported a significant decrease in both motor and vocal tics, some of 50% or more. Some decrease in obsessive-compulsive behavior was also found. A recent study has also concluded that cannabinoids found in Cannabis might have the ability to prevent Alzheimer's disease. THC has been shown to reduce arterial blockages.

http://medicalmarijuana.procon.org/
https://en.wikipedia.org/wiki/Cannabis
http://www.sciencedaily.com/releases/2013/04/130402124817.htm

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