lungs disease: Smokers combining tobacco and marijuana in same … – Entertainment and Showbiz!
lungs disease: Smokers combining tobacco and marijuana in same ... Entertainment and Showbiz!, India People who smoke both tobacco and marijuana increase their risk of respiratory symptoms and chronic obstructive pulmonary disease (COPD), a new study has found. Smoking only marijuana, however, was not associated with increased risks, the CMAJ study ... |