As a citywide public smoking ban goes into effect this weekend in Calabasas, California. The ban, perhaps the most comprehensive smoking ban in the United States, prohibits smoking in all public places at times when other people can be exposed to secondhand smoke.

Businesses can apply to create a designated smoking area far away from non-smokers starting in April

California becomes the first U.S. state to classify second-hand tobacco smoke as a toxic air pollutant.

The decision by the California Air Resources Board puts the smoke in the same category as diesel exhaust, which could lead to stiffer regulations

Researchers at the Keck School of Medicine report children with a specific genetic makeup are at greater risk of chest infections and other respiratory illnesses due to second-hand smoke exposure.

The scientists report that children who have a variation in a key gene and who live in a home with smokers are four times more likely to miss school days because of lower-respiratory illness than children who don't have the genetic variation and live in smoke-free homes

The American Cancer Society is urging millions of smokers to refrain from smoking during its 29th American Cancer Society Great American Smokeout on Thursday, Nov. 17.

"Smoking remains the leading preventable cause of death in the United States, where it is causes nearly one in five deaths," says Stephen F. Sener, MD, national volunteer president of the American Cancer Society

A new survey from Action on Smoking and Health (ASH) and Cancer Research UK reveals the majority of people in England and Wales support a complete ban on smoking in the workplace.

The survey found 73% of the 1,000 respondents say a ban should be applied without exception