Discuss “New device uses nanotubes to track asthma ”

Alexander Star, a chemistry professor in the University of Pittsburgh’s School of Arts and Sciences, is leading a team in developing a sensor that could detect an asthma attack before its onset.

Asthma is a reaction to certain stimuli that irritate the respiratory system, and the symptoms of asthma range from mild to life threatening.

In particular, an asthma sufferer could negatively respond to an environmental stimulant (or allergen), cold air or emotional stress, according to the World Health Organization.

An intense episode of asthma is called an asthma attack. During an asthma attack, the bronchial tubes in the respiratory system become inflamed with mucus. Because the airway is clogged, a person may experience wheezing, shortness...