Welcome to the MyBuddyGreen podcast. I'm Jason Wackeb, founder and co-CEO of MyBuddyGreen and your host.

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Dr. Mark Harper is a leading expert in the prevention of hypothermia in surgical patients

and the therapeutic uses of cold water adaptation and open water swimming.

He's been featured in the BBC documentary, The Doctor Who Gave Up Drugs,

is a co-creator of Chill UK, a nonprofit committed to providing courses in cold water swimming

to improve mental health, the director of mental health swims, and the author of the new book,

Chill, The Cold Water Swimcure, a transformative guide to renew your body and mind.

Mark, welcome. Thank you. Pleasure to be here. So great to have you. The title of your book is

called Chill, The Cold Water Swimcure, and you are an MD and PhD. When I saw the title and your

title, I said to myself, I have to have this guy on our show because it is such an emerging and

fascinating topic and we love MDs and PhDs here at My Muddy Green. So welcome. And your book

starts off like so many other books in that there's a powerful personal story. So let's begin there.

You know, let's flash back to you being a lifeguard in the UK.

Well, yeah, I mean, that was a long time ago now. So I grew up swimming. My mum, I thank

her very much. She kept me swimming as a grumpy teenager, but this was all in the pool. And even in

the summers where I used to lifeguard on the beach, I used to avoid going in the sea as much as

possible, far too calm for me. And then then it was one day I had the pooled shot for a couple of

weeks. You know, this was many years later. So in my 30s, the pooled shot for a couple of weeks.

I was talking to an old friend from my teenage years who said, I said, I was complaining about

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