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Can smoking marijuana cause lung cancer?

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While two-pack-a-day or more cigarette smokers were found to have a 20-fold increase in lung cancer risk, no elevation in risk was seen for even the very heaviest marijuana smokers. The more tobacco a person smoked, the greater their risk of developing lung cancer and other cancers of the head and neck. read more

Marijuana smoking does cause inflammation and cell damage, and it has been associated with pre-cancerous changes in lung tissue. Marijuana has been shown to cause immune system dysfunction, which could theoretically predispose individuals to cancer. read more

Here are three things to consider when it comes to marijuana use and lung cancer. Any kind of smoke can damage your lungs. Whether it’s tobacco smoke or marijuana smoke, your lungs still suffer, says Robert Schwartz, PhD, senior scientist at the Centre for Addiction and Mental Health in Toronto. read more

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