Medical experts and public health organizations continue to emphasize that smoking poses a major threat to lung health, ...

The dangers of smoking go far beyond lung cancer. CNN contributor Dr. Leana Wen explains the risks to your heart and brain.

E-cigarettes and vaping have become increasingly popular, particularly among people who believe they are a safer alternative to traditional cigarettes. Some also use vaping products in an attempt to ...

Second-hand smoke can irritate the airways, worsen asthma symptoms and increase the risk of serious lung problems. Doctors ...

A new laboratory study found that cigarette smoke sharply disrupted lung cell defenses, while e-cigarette vapor showed no significant damage in the same model, highlighting important differences but ...

The University of Kentucky Markey Cancer Center's Graham Warren, M.D., Ph.D., and international collaborators have led a groundbreaking study that could change the way lung cancer is diagnosed and ...

Cigarette smoke triggers a complex cascade of inflammatory and structural changes in the asthmatic airway. Constituents of tobacco smoke breach the epithelial barrier, generating reactive oxygen ...

Smoking cigarettes may raise dementia risk by triggering harmful chemical signals from the lungs to the brain, finds new research from the University of Chicago. The study adds deeper understanding to ...

Maternal smoking during pregnancy exerts profound and lasting impacts on foetal lung morphogenesis and postnatal respiratory health. Tobacco smoke constituents, notably nicotine, disrupt branching ...

What happens to your lungs after you quit smoking? A pulmonologist explains the recovery timeline, from improved oxygen ...