Nigel Beach is a Kiwi revolutionising the sport science space.

He's been into the Wim Hof Method for a number of years - which focuses on hot/cold therapy, bio-hacking and breathing techniques.

And another big focus is our physiological response to stress on our body.

And he's become so successful that he's become the go-to guy for elite sportspeople here and around the world.

Nigel Beach joined Mike Hosking.

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