Does marijuana use heighten coronavirus risk?

Any substance that is combusted and then inhaled exposes the airways and the lungs to particles and toxins that lead to some degree of airway inflammation, similar to inflammation that may be seen in those with chronic asthma or COPD. Those two patient groups have been shown to have an increased risk of complications from COVID-19, so it would suggest to me that cannabis smokers, like cigarette smokers, may have the potential for more complications if they get infected.

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