Effects of masks on exercise

(JAMA Network)What The Study Did:This crossover trial found that perceived breathing resistance at peak exercise is uniquely andsignificantly elevated when exercise stress testing (EST) is performed while wearing a mask. Performing EST with a maskyielded lower peakexercise oxygen uptakeand heart rates as compared with no mask.
Source: EurekAlert! - Infectious and Emerging Diseases - Category: Infectious Diseases Source Type: news