Kids may not appear to develop conditions from secondhand smoke when they’re being exposed to it in childhood. But, they can still experience respiratory problems later in life.

Scientists hoped to examine how brief air pollution reductions would affect the heart. Using an interesting location -- the 2008 Beijing Olympics -- they found that even short-term drops in pollution exposure improve cardiovascular health.

Memphis has asthma sufferers singing the blues. Memphis has been named as the asthma capitol of America while two more Tennessee cities cracked the top five.

Despite many public policy recommendations, asthmatic children are still being exposed to second-hand smoke. This early exposure to cigarette smoke can lead to lifelong problems.

California needs to clean up its act. Air quality findings by the American Lung Association (ALA) saw California cities dominating the top of the lists for three significant categories.

A surprising number of elite athletes have asthma. As the Olympics are set to start in London, many are studying this phenomenon and the lessons to be learned from these athletes.

The joke is that experienced parents don't clean off a pacifier after it falls on the floor. A few extra germs just build the immune system, right? Well, they may be on to something.