Dr. Andrew Martin

In 1927, a Chicago chemist invented an early breathalyzer in which the breath moving through chemicals in water would change color. His target market wasn’t law enforcement, but housewives -- to test whether their husbands had been drinking!

Sponsor Provided Content ‘Tis the season for sneezin’ and more. The most enjoyable days weatherwise — dry, breezy, and bursting with blooms – actually create the harshest conditions for asthma sufferers, whose allergic reactions to pollen can cause airway-constricting flareups.

“Hold your breath and count to ten!” “It was simply breathtaking!” “You take my breath away.” Romantic declarations, dramatic song lyrics. We recognize how vital the act of breathing is. But it’s not something we usually pay attention to as we do it – unless it becomes difficult.