Can a saliva test make UFC athletes better fighters? This Canadian startup is betting on it
A fighter and a trainer circle each other in the centre of a caged-in octagon, adrenaline and cortisol coursing through their veins. The fighter seems to dance on lightning-quick feet; muscles twitch, like a cobra ready to strike. I shut my eyes when the first blow lands—thwack—against the sparring glove. This is not my thing….
