Cannabis promotes the death of brain cancer cells
A study by Complutense University of Madrid in 2009 has found that THC effectively helps brain cancer cells eat themselves, causing the tumor to shrink. This process is known as autophagy.
Cannabis may stop breast cancer spreading
A 2007 study by scientists at the California Pacific Medical Center Research Institute, have found that the cannabinoid cannabidiol (CBD) stop breast cancer spreading. The scientists believe it may allow a non-toxic alternative to chemotherapy with the same results but minus the unpleasant side effects.
Cannabis smoke does not cause lung cancer
An extensive scientific study in 2006 reported no significant link between smoking cannabis and lung cancer.
Whats more, THC has been found to reduce the growth of common lung cancer tumors by 50 percent and significantly reduces the cancers ability to spread.
Scientists believe that the cannabinoid THC may encourage programmed cell death or aptosis, to kill aging cells before they turn cancerous.