USA: New research has revealed that daily inhaled cannabis use was associated with a significantly increased risk of asthma and COPD, even among adults who had never smoked tobacco. The research aimed to determine whether inhaled cannabis was independently associated with asthma and chronic obstructive pulmonary disease (COPD), separate from the well-established effects of tobacco smoking. The analysis revealed the following findings:A total of 23,035 adults in the cohort reported using inhaled cannabis. Cannabis inhalation was also linked to increased odds of COPD in the overall population (aOR 1.27). Inhaled Cannabis, Asthma, and Chronic Obstructive Pulmonary Disease: A Population-Based Cross-Sectional Study of n = 379,049.