The first ever study to show that cannabis exhibits anti-tumor properties was originally designed to demonstrate the plant’s dangers, specifically harm to the immune system. Funded by NIDA and a grant from the American Cancer Society, researchers at the Medical College of Virginia implanted tumors into mice, which were then “treated for 10 consecutive days with delta-9-THC, beginning the day after tumor implantation.” Presumably to show that THC makes cancer grow faster. Instead, when the research was published in The Journal of the National Cancer Institute, it showed that ”mice treated for 20 consecutive days with THC and CBN had reduced primary tumor size.” Click here to Read full Leafly article
Source: JNCI: Journal of the National Cancer Institute, Volume 55, Issue 3, 1 Published September 1975