The Breath Of Life Thanks To A Chip

THE SEARCH FOR BETTER ways to deliver drug treatments is a critical issue in asthma, a chronic respiratory ailment that affects 15 million people in the U.S. and kills 5,000 each year. Although vastly improved asthma drugs have been introduced in recent years, they must still be breathed in through small devices called metered-dose inhalers (MDIs) that are notoriously tricky to use. Patients must carefully coordinate their breathing with the pumping action to ensure the right dosage--a technique that 70% of asthmatics fail to master.

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