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How to Use Peak-Flow Meters for Your Asthma

How to Use Peak-Flow Meters for Your Asthma

You could guess whether your airways are narrowing based on your perceptions. But perceptions can be deceiving. A peak-flow meter will give you a more accurate idea of what’s happening in your airways. A peak-flow meter is a portable, low-priced device ,about the size of a softball. Easy to use, it measures how well air […]