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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.

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.

"It's a new concept that merits exploration," says John Patton of Inhale Therapeutic Systems in San Carlos, Calif.

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