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How To Hold Your Breath For Four Minutes, Training Mask Myths, Performance Breathing & More With Brian Mackenzie

Boundless Life

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Introduction

You can become a personal trainer with the National Academy of Sports Medicine. Use discount code BEN for 10% off at Camaracoffee.com. FitLife has created a green juice powder that's got ashwagandha in it, which increases testosterone by up to 30%. Ben Greenfield: I should have drank more French press just this morning.

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