The air quality outside can vary from day to day and sometimes is unhealthy to breathe. knowing how outdoor air pollution affects your health and useful strategies to minimize prolonged exposure can help keep you and your family well. climate change and natural disasters can also directly impact lung health. prevent infection. These blood clots can in turn break off and travel to the lungs (pulmonary emboli) causing further damage, resulting in less healthy lung tissue (if a person survives). while some of these changes are not reversible, it is never too late to quit smoking both to minimize the damage and to allow your body to repair the damage that can be restored and healed. 8 tips for healthy lungs. healthy unhealthy lung 1. diaphragmatic breathing. among the many things you can do to keep your lungs functioning properly are some simple breathing techniques, according 2. simple deep breathing. 3. "counting" your breaths. 4. watching your posture. 5. staying hydrated. ...