Scientists hypothesize that the anti-oxidant properties of marijuana might override any cancer-causing chemicals found in marijuana smoke, therefore protecting the body against the impact of smoking. That alone is a huge surprise to most people, but that’s just the beginning.
A study in 2009 actually found that moderate marijuana smoking over a 20-year period was actually associated with reduced risk of head and neck cancer. In fact, some of the chemicals in marijuana, such as THC and especially CBD, have been found to promote tumor cell death and show potential as effective tools in treating cancer.
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