Through in vitro, or test tube/petri dish, analysis, researchers from the biochemistry department at North-West University in Potchefstroom, South Africa found that the non-psychotropic cannabinoid, or chemical compound, CBD (cannabidiol), taken from a Cannabis sativa extract, could hold anticarcinogenic properties. They pointed out that cannabis acted on the cancerous cells through apoptosis, or a process of cell death, causing only the cancerous cells to kill themselves, and inhibiting their growth.
Cervical cancer is no longer a leading cause of death as much as it used to be in the United States, thanks in large part to the widespread use of pap smears, but it's still a widespread threat. And in Sub-Saharan Africa, it kills 250,000 women every year. "This makes it the most lethal cancer amongst black women and calls for urgent therapeutic strategies," the study's authors wrote in the BMC Complementary and Alternative Medicine journal. "In this study we compare the anti-proliferative effects of crude extract of Cannabis sativa and its main compound cannabidiol on different cervical cancer cell lines." [...]
At the same time, there could also be carcinogenic effects of cannabis smoke, especially for cancer patients. One study in France found that "increased risks of lung or colorectal cancer due to marijuana smoking were not observed, but increased risks of prostate and cervical cancers among non-tobacco smokers...were observed."
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