Alcohol on your breath need not be all bad

Police today can check whether people have been drinking by smelling their breath. In the future, a person might have a good excuse for giving off the aroma of alcohol–a doctor’s prescription.

Deep in the lung, drug particles from an alcohol aerosol quickly reach the blood. Adapted from Inhale Therapeutic Systems

Buoyed by a study in rats, Massachusetts scientists suggest that people with diabetes or other chronic diseases may someday forgo frequent injections of medicine such as insulin and instead inhale a drug-carrying alcohol mist.