As hard as it is to believe, a lot of people still smoke cigarettes—nearly 30 million people in this country alone. Aside from the well-proven health impact, smoking also has a long list of ...

A smoke’s no joke. Smoking five cigarettes a day hurts your lungs nearly as much as smoking two packs, according to new research by Columbia University’s Vagelos College of Physicians and Surgeons.

Thirdhand smoke lingers in homes and may expose children to toxic substances even without active smoking. Biomarker testing revealed tobacco exposure in all children studied, despite 60% of caregivers ...

Smoking cigarettes can lead to illness and death. Free radicals, which are atoms or groups of atoms with unpaired electrons, in inhaled smoke are thought to be partly responsible for making smokers ...