What's responsible for the sharp decline in smoking prevalence? The 13 percent smoking rate among 18-to-24-year olds last year is almost half as it was a decade ago. And the inescapable fact is that e ...

Parkinson's paradox, linking current smoking to lower disease risk but linking quitting to lower all-cause mortality.

Smoking intensity is linked to greater disease severity and the risk for relapse in patients with Graves disease in a dose-dependent manner.

Long before teens are old enough to start their first jobs, smoke-free workplace laws could still play a part in decreasing youth smoking trends, according to new research. In a study published in ...

A study of 410,000 adults finds current smokers have a lower Parkinson’s risk, while quitters have a higher Parkinson's risk but a much lower risk of death.