4 ms·
Vessel constriction or dilation by itself is not necessarily a bad thing. CO2 is a potent vasodilator, but no one would claim holding/pacing your breath for swi
by dangom 5y ago
Vessel constriction or dilation by itself is not necessarily a bad thing. CO2 is a potent vasodilator, but no one would claim holding/pacing your breath for swimming is a bad thing. Caffeine too has a strong vasoconstricting effect.
- loeg 5y agoSure, I was not trying to make the claim that constriction or dilation was a bad thing.