Expert blames smoke, not nicotine, for causing deaths

A public health expert blames smoke, not nicotine, for causing thousands of deaths caused by cigarette smoking each day.“There have been many decades of research on the health effects of cigarette smoking, and we have known since at least the 1970s that the primary cause of the cancers, heart and lung disease is the repeated inhalation of smoke,” said Prof. David T. Sweanor, chair of the...