A small Canadian study published on Tuesday suggests that cannabis smoking
may be more harmful to the lungs and airways than tobacco smoking. Between
2005 and 2020, researchers from the University of Ottawa and the Ottawa
Hospital examined chest X-rays from 56 cannabis smokers, 57 nonsmokers, and
33 tobacco smokers. Frequent cannabis smokers had much greater rates of
airway inflammation and emphysema (a chronic lung illness) than regular
tobacco smokers or nonsmokers.
may be more harmful to the lungs and airways than tobacco smoking. Between
2005 and 2020, researchers from the University of Ottawa and the Ottawa
Hospital examined chest X-rays from 56 cannabis smokers, 57 nonsmokers, and
33 tobacco smokers. Frequent cannabis smokers had much greater rates of
airway inflammation and emphysema (a chronic lung illness) than regular
tobacco smokers or nonsmokers.