They are making money
Lung Cancer and Respiratory Illnesses: Secondhand smoke is a known carcinogen, and prolonged exposure can lead to lung cancer in nonsmokers
In a study conducted in November 2016 by CRF, along with Dr Rohan Shah and Dhammasagar Ujagare, postgraduate students of Interdisciplinary School of Health Sciences from University of Pune, proved that the snake tablet, burnt for only nine seconds, produced the highest peak of PM 2.5 (64,500g/m)the equivalent of smoke generated from 500 cigarettes and the laad, which burnt for 48 seconds, produced high PM 2.5 levels of 38,540 g/m, equivalent to particulate matter emitted by 300 cigarettes.The snake, laad and pul-pul were the top three PM 2.5 producers, while the anar produced the lowest amount of PM 2.5
The Nicotine Content of a Sample of E-cigarette Liquid Manufactured in the United States
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Caring, but not a doormat that could be walked over with ease