New technologies are increasingly present in our lives. 

There are many devices available on the market that can help you monitor your health. 

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Video: How to use the Peak Flow or peak flow meter?

You probably already have some of them. It is essential for your coach to know what tools you have, because that way he or she will know what control aids you have. Can you tell us about it? 

Want to see how much you've learned about control devices? 

Complete the quiz at the end of the lesson and test yourself!