If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...

Justin Jaffe is the Managing Editor for CNET Money. He has more than 20 years of experience publishing books, articles and research on finance and technology for Wired, IDC and others. He is the ...

Jessica is a writer, editor and media professional who has spent her career working with some of the most influential names in media. Prior to joining Forbes Health, Jessica was the manager of ...

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