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While the long-term health consequences of cannabis smoke are not yet well known, cannabis smoke contains carcinogens, respiratory irritants, and other harmful chemicals, said John Bellettiere, Ph.D., M.P.H., assistant professor in the Herbert Wertheim School of Public Health and Human Longevity Science at UC San Diego

Soak into the earth with their blood, and in bad cases, could infest the air more

The study, which was performed by the Institute of Psychiatry, Psychology and Neuroscience at Kings College London, found that the use of vaping products instead of smoking leads to a significant reduction in exposure to toxic substances that can cause cancer, lung disease, and cardiovascular illness

There is a clear difference between vaping and smoking

The dedicated men are hard at it, probing the mystery of all cancer-and they believe that some day they will have all the answers