I have a master's degree in physiology, biomechanics, and human nutrition.

I've spent the past two decades competing in some of the most massacistic events on

the planet, from seal-fit Kakoro, Spartan-Agoji, and the world's toughest mudder to 13 Ironman

triathlons, brutal bow hunts, adventure races, spearfishing, plant foraging, freediving, bodybuilding,

and beyond.

Find this intense time in the trenches with a blend of ancestral wisdom and modern science,

search the globe for the world's top experts in performance, fat loss, recovery, gut hormones,

brain, beauty, and brawn to deliver you.

This podcast, everything you need to know to live an adventurous, joyful, and fulfilling

life.

My name is Ben Greenfield.

Enjoy the ride.

Hey, it's Ben Greenfield.

I think you're really going to enjoy today's show.

After the show that you're about to hear the physician who I interview, Dr. Matt Cook,

actually oversaw on me a ketamine procedure, the exact ketamine procedure that we actually

talk about in the show.

Now ketamine, which kind of gained notoriety as a party drug, back in the 90s, is now

kind of gaining momentum as this wonder drug for depression.

Now, it seems to kind of deactivate the sympathetic fight or flight nervous system and activate

the parasympathetic nervous system.

It's incredible.

...