Taking a deep breath restores the ideal “layering” of lung fluids, according to a new experiment.

The primary symptom of a heart attack is pain or discomfort in the center of the chest, Dr. Lloyd-Jones said. All the experts described the feeling as if an elephant were sitting on your chest. This ...

Few symptoms create more immediate alarm than coughing up blood. This frightening sign, medically termed hemoptysis, indicates that something significant requires attention in your respiratory system.

A 40-year-old smoker may have lungs functioning more like those of a 65-year-old. How do doctors determine lung age?

Heart attacks don’t always come on with dramatic symptoms, experts say — and failing to act on the warning signs can be ...

Stage 4 lung cancer, an aggressive and life-threatening condition, spreads to vital organs like the brain, bones, and liver, ...

When 34-year-old Ashley Vassallo came down with a cough and chest pain in the fall of 2021, she assumed she had COVID. But Vassallo kept testing negative, so doctors started to think asthma, acid ...

Lung cancer is the second-leading cause of cancer death in the United States after skin cancer, according to the American Cancer Society. The disease is to blame for about 1 in 5 cancer deaths, and ...