Lung cancer among never-smokers is rising worldwide. In one U.S. study of 12,000 lung cancer patients, the share of people who didn’t smoke rose from 8 to 15 percent over twenty years.

Indoor mold often lurks silently within the nooks of our homes. It can grow behind wallpaper, beneath floorboards or in damp corners of the bathroom. While it might seem like ...

A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.