Contrary to popular belief, single-use face masks do not have any sort of advantage over reusable cloth ones. In fact, the best cloth masks actually achieved better filtration (79 per cent ...

Onishi found that cloth and gauze masks had 100-percent leakage rates. Dust masks had the lowest rate, 1 percent, when they were worn correctly. When they were worn casually, the rate was 6 percent.

Objectives To (1) determine if wearing a cloth face mask significantly affected exercise performance and associated physiological responses, and (2) describe perceptual measures of effort and ...