Deodorized and purified air are then released back in the room
These 18 states with so-called pre-emption laws include California, Iowa, Indiana, Kentucky, Louisiana, Mississippi, Montana, Nebraska, New Mexico, North Carolina, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Washington, Wisconsin and Wyoming
Secondhand smoke exposure can also increase the risk of lung cancer in non-smokers
Jean-Pierre Changeux, lead author on the second Paris study, has long-standing links with the tobacco industry
The Be Our Ally Beat Smoking (BOABS) study, a randomised controlled trial of an intensive smoking cessation intervention in a remote aboriginal Australian health care setting