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The Strenuous Life Podcast with Stephan Kesting

This is the Stephan Kesting's Grapplearts Radio Podcast where we discuss BJJ, Grappling, MMA, and all manner of martial arts training.

Stephan runs, where he has published many hundreds of martial arts videos, articles and tutorials.

His free guide to learning Brazilian Jiu-Jitsu, A Roadmap for BJJ, has been downloaded more than 10,000 times and has become a foundational text for the art. Click here to download that book for free as well.

Stephan has a lengthy career in martial arts, spanning more than 3 decades.  He has dedicated many years to Brazilian Jiu-Jitsu, and you can find his accessible and practical expertise on all BJJ matters at

A black belt in multiple martial art systems, he brings a range of approaches to self defense, and a critical eye for what works in the street.

Stephan has been featured in Black Belt Magazine, Ultimate Grappling, Tapout Magazine and Ultimate Athlete.

He is also a frequent guest on martial arts related podcasts, including The Fightworks Podcast, Atlantic MMA, Combatives Corner, The Warrior’s Den, The Spartan Underground and many more.

Apr 23, 2021

What exactly is herd immunity? How can we be sure that the vaccine companies aren't lying to us?  What is this 'R0' value and why does it matter? What are the proven methods to stop outbreaks?  Are what are the reasons for hope? These are just some of the topics I cover on today's podcast with Colin Furness, PhD, a epidemiologist at the Institute of Health Policy, Management and Evaluation, University of Toronto. 

Given the amount of deliberate disinformation and malicious misinformation going around please, please, please share this episode with someone who's on the fence about who to believe during the pandemic.

Follow Colin on Twitter at