what does cigarettes cause Cigarette Smoking and your Health File:Tobacco diagram.png - Wikimedia Commons

At a glance: Nicotine laws vary dramatically by countryand are tightening in many regions

Study author Ludmil Alexandrov said in a statement that before now, we had a large body of epidemiological evidence linking smoking with cancer, but now we can actually observe and quantify the molecular changes in the DNA due to cigarette smoking. Co-author Sir Mike Stratton added that looking in the DNA of cancers can provide provocative new clues to how cancers develop and thus, potentially, how they can be prevented.

The new study targeted where it might occur and how it could contribute to heart disease, says Aruni Bhatnagar of the American Heart Association Tobacco Regulation and Addiction Center based at the University of Louisville in Kentucky

"On the other hand, both Texas and South Carolina saw drastic improvements

The vaping versus smoking debate is ongoing and people might not be equipped with the correct information about these new trends and their inherent health risks