short term health effects of tobacco Cigarette Smoking | Smoking and Use The short and long term

Even though there is near unanimity in the healthcare community that combustion, more than nicotine, is what leads to the negative health consequences from smoking, the Doctors Survey uncovered that: 74% of doctors on average at least moderately agree that nicotine causes lung, bladder and head/neck/gastric cancer

Seminars in Oncology

To counteract those marketing efforts, more than 100 countries around the world have added gruesome pictures of the health effects of cigarettes on packs

This has been disputed, and the issue of overcrowding appears to played a significant role in the increased number of incidents shortly after the ban was instituted