That has led some researchers to wonder whether some of the decline in cigarette use is a result of people switching to these vaping devices
We do not know why cannabis smoking does not appear to be carcinogenic
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[239] [240] When Obama became the Democrats' presumptive nominee in early June, McCain proposed joint town hall meetings, but Obama instead requested more traditional debates for the fall
Use of vaping concentrates can lead to popcorn lung (aka bronchiolitis obliterans, a disease that affects small airways in the lungs), shortness of breath, a nagging or persistent cough, and wheezing, says Robert Welch, a pharmacist and director of the National Center for Cannabis Research and Education at the University of Mississippi