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 ...

GameSpot may get a commission from retail offers. The Mesa update in Peak introduced the Scout Cannon, and with it, the infamous cannon glitch. As the name implies, the Scout Cannon allows players to ...

By Anjali Srivastava: A peak flow meter is a handy, portable device that measures how fast air leaves the lungs. It plays a vital role in asthma management by helping users track their lung function ...