Swedish study found how much and how long they smoked made a difference
'Hookahs' expose people to higher levels of carbon monoxide and benzene, researchers say
Tobacco-free policies might save $521 million a year, cut secondhand smoke exposure
Friends' cigarette use a bigger factor in middle school than in high school, research shows
Findings suggest lung cancer develops through multiple mechanisms
Exercise can help curb the habit in young daily smokers, study shows
Study found they're less likely to resume habit with pre-release counseling
Little danger of addiction or abuse seen after years on the market
Education, urban living helped keep older adults walking tall, Chinese data shows
Many say they don't feel prepared to offer effective assistance
Get gardening in a flash with tips on how to grow these simple veggies.