StorableComa
Autocross Champion
Those training masks are more restrictive than the mask you are being asked to wear in public.
You'd probably have more of a change in your breathing by moving elevations than wearing a mask in your daily life. Any somewhere sea level to somewhere like Colorado. For the first few weeks you'll suffer mild elevation sickness while exerting yourself while your body adjusts.
You'd probably have more of a change in your breathing by moving elevations than wearing a mask in your daily life. Any somewhere sea level to somewhere like Colorado. For the first few weeks you'll suffer mild elevation sickness while exerting yourself while your body adjusts.