Aurora, CO: Long-term exposure to cannabis smoke is not associated with significant adverse effects on pulmonary function, according to clinical data published in the journal Chronic Obstructive Pulmonary Diseases.

A team of investigators led by researchers at the Colorado School of Public Health assessed the relationship between marijuana use and respiratory function in a cohort of 2,300 subjects ages 40 to 80, many of whom also smoked tobacco..........



https://norml.org/news/2018/02/01/st...or-lung-health