A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after you fully inhale. Regularly conducting a ...

By Anjali Srivastava A peak flow meter is a handy, portable device that measures how fast air leaves the lungs. It plays a ...

Almost 16 million adults have COPD in the United States and about 3 in 4 people with this condition have at least one flare (exacerbation) a year, cites a review. But you don’t have to sit and wait ...

Imagine being trapped under a heavy piece of furniture, with all the weight right on your chest. Or try to imagine how it would feel to have your throat slowly close. That’s what it can feel like to ...