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

A peak expiratory flow rate (PEFR) measures how effectively you exhale. Also called a peak flow meter, this handheld device helps you document the amount of air and the speed at which you can ...

Colin Holyk, BSc (Pharm) Pharmacist, discusses peak flow meters. Path of potential cyclone behind Hurricane Erin suddenly shifts Judge Orders Release of $95M in Blow to Trump The key to a long life is ...