According to the American Cancer Society (ACS) multiple studies have shown that using marijuana in its various ways have helped the patients battling with cancer. This ranges from pain and nausea relief, increased appetite in chemo patients. Clinical trials have shown that less pain medication is required when using. More recently, lab disks tests and animal trials have reported that CBD have slowed growth, reduce spreading, and, in some cases, cause death in certain cancerous cells. There are also multiple medication varieties such as Dronabinol, that contains delta 9 THC, and Nabildon, a synthetic CBD, both are approved in the U.S for cancer patients.