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There are many kinds of asthma inhalers. Watch this video to learn how to use a dry powder disk inhaler.

There are many kinds of asthma inhalers. Watch this video to learn how to use a dry powder tube inhaler.

Asthma attacks taking you by surprise? Take regular peak flow meter readings, as shown in this video, to predict asthma episodes and better control your condition.

There are many kinds of asthma inhalers. Watch this video to learn how to use a single-dose dry powder inhaler.

LASIK eye surgery reshapes the curvature of your cornea. Watch this video to see how it's done.