David vs Goliath: How a small molecule can defeat asthma attacks
(PHYSorg.com Chemistry)

An invisible particle enters your lungs. The next thing you know breathing becomes difficult. You are having as asthma attack. Asthma is one of the most common and difficult to endure chronic conditions. About 30 million Americans experience asthma attacks and 3 million have a severe, therapy-resistant form of the disease. In some cases, the condition can be fatal.