A new study found that adolescents were at the greatest risk of smoking when their parents began smoking at an early age and the parents' smoking quickly reached high levels and persisted over time.

A new American Cancer Society study finds that recent progress in closing the gap in overall cancer mortality between African Americans and whites may be due primarily to smoking-related cancers, and that cancer mortality differences related to screening and treatment may still be increasing.

The damaging effects of smoking and smoke exposure can be seen at any age. Pediatricians have even noted these negative effects in various stages of infant development.

As Americans prepare for a day without cigarettes and tobacco products as part of the American Cancer Society Great American Smokeout (R) (November 20), new research gives them more reasons to extend that break to a lifetime, according to the American Academy of Otolaryngology-Head and Neck Surgery Foundation (AAO-HNSF).

Physicians and other health-care providers may advise their patients to quit smoking, but few providers have the adequate training to follow their patients through the cessation process.

A growing amount of research is finding that smoke-free air laws help smokers quit or reduce the amount that they smoke. Rather than changing smokers' own attitudes about smoking, the influence of the policies, particularly the strong ones, might lie more in changing smokers' perceptions of other people's attitudes about smoking -- changing the perceived social norms, according to an Indiana University study involving smoke-free air laws in four Texas communities.

Young people with ADHD are not only at increased risk of starting to smoke cigarettes, they also tend to become more seriously addicted to tobacco and more vulnerable to environmental factors such as having friends or parents who smoke, according to a study from Massachusetts General Hospital reseachers.

Health-related quality of life appears to deteriorate as the number of cigarettes smoked per day increases, even in individuals who subsequently quit smoking, according to a report in the October 13 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Even occasional cigarette smoking can impair the functioning of your arteries, according to a new University of Georgia study that used ultrasound to measure how the arteries of young, healthy adults respond to changes in blood flow.

A new study reveals that women who smoke are at greater risk of developing major depressive disorder. The study has been published today the British Journal of Psychiatry.

There may be a very good reason why coffee and cigarettes often seem to go hand in hand.

Sports and tobacco consumption are directly related, according to a study carried out by researchers of the University of Granada, the Spanish National Research Council-CSIC, the Universities of Murcia, Zaragoza and Cantabria, and the Nuestra Señora de la Consolación School of Granada.