smoking light cigarettes and Lung Cancer Risk Chemicals in Cigarettes and Tobacco:

Tobacco companies are offering multiple flavor chemical profiles and nominally nonflavored versions in these countries

There are many different types of cigars, and varying quality, so do your research before buying one

The American Spirit cigarette raised nicotine levels more than any other type of cigarette even 60 minutes after smoking

The vapor, or aerosol, from e-cigarettes may contain substances harmful to the lungs, including volatile aldehydes and oxidant metals

doi: 10.1016/j.fertnstert.2008.08.035

As a second-line solution, one requirement is that youve already tried and failed to quit smoking with a first-line treatment, such as NRT products