The following excerpt is from an article that originally appeared on Natural Society
The findings of an analysis published in the journal Clinical Psychology Review suggests that cannabis may potentially be an effective treatment for certain mental health disorders, and could even help people break free from serious drug addictions. 
Access to marijuana is growing. Cannabis is currently legal in some form in 29 U.S. states. And even despite marijuana being legalized for recreational use in a handful of states, it remains the most widely-used illicit drug in the United States.
Source: Marijuana Policy Project
But marijuana has proven to be an effective treatment for epilepsy (including rare forms of the seizure disorder) and has been shown to ease pain, prevent multiple sclerosis-related inflammation in the brain and spinal cord, and kill cancer cells. Cannabis has also been shown to be superior to drugs for Alzheimer’s disease.
Many marijuana users say the drug helps their depression, or post-traumatic stress disorder (PTSD), and theis review seems topost was originally published on this site