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Concurrent use of both cannabis and tobacco was associated with increased risk (even adjusted for age, asthma, and comorbidities) of respiratory symptoms (OR 2.39, 95% CI 1.583.62) and COPD (OR 2.90, 95% CI 1.535.51) if the lifetime dose of marijuana exceeded 50 marijuana cigarettes

Another 13% of quitters may gain up to 22 pounds after cessation

Int J Prev Med

Currently, the MOE results must be treated as preliminary due to the high uncertainty in data

These harms are not limited only to smokers, either

Volume 80 included no less than five responses from various scientists, all of whom essentially savaged her work