DEAR DR. ROACH: In a recent column, you noted that many patients do not properly use their inhaled asthma /chronic obstructive pulmonary disease medications, but you didn’t tell us how to properly use ...

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"For years, we as clinicians have known that our patients do not use their inhalers as they should," Hanania said. "In the best case, a puff from an inhaler results in about 40 percent of the medicine ...