Nearly 30% of high schoolers who vape do so daily
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Data for the long-term effects of marijuana use on the pulmonary system has been scarce until now. (1) We found exactly what we thought we would find in relation to tobacco exposure: a consistent loss of lung function with increasing exposure, said the papers lead author, Mark Pletcher, MD, MPH, associate professor in the Division of Clinical Epidemiology at UCSF
After excluding participants with missing information on cigarette price or authenticity labels, and those buying single cigarettes, the final sample sizes were 1870 in Wave 1, 1564 in Wave 2, and 1308 in Wave 3