Millions of people in the United States are using cannabis medicinally yet; there is limited reliable information and a scarcity of trustworthy data regarding therapeutic cannabis use.
In response, many patients and families have sought to contribute to the medical cannabis research process hoping either to advance current options or to contribute to the options available for future patients. Many patients and their support and advocacy organizations seek increased attention or funding for focused research on the therapeutic use of medical cannabis. The Medical Cannabis Research Foundation was created to help with that endeavor.
This PDQ cancer information summary has current information about the use of Cannabis and cannabinoids in the treatment of people with cancer. It is meant to inform and help patients, families, and caregivers. It does not give formal guidelines or recommendations for making decisions about health care.
New England Journal of Medicine Review Article on the Relationship between Nonmedical Prescription-Opioid Use and Heroin Use.
Wikipedia article on substance Dependence
Addiction web link from US Government.