After a few months, the cilia in your lungs start working efficiently again. Cilia are little hairs that sweep out toxins and foreign particles. Quitting also improves the function of alveolar ...

You may start to notice improved lung function within 2 weeks to 3 months after quitting as your lungs start the self-cleaning process, according to the American Cancer Society. In the first year ...

The mutations that lead to lung cancer had been considered to be permanent, and to persist even after quitting. But the surprise findings, published in Nature, show the few cells that escape ...