Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

The respiratory system allows air to reach the lungs, from which oxygen enters the blood and circulates to all body cells. This system also removes waste gases from the body and helps prevent disease ...

If you think smoking is the only threat to your lungs, think again. Rising air pollution, occupational hazards, lifestyle choices, and, of course, smoking all put a significant strain on respiratory ...