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For over a dozen years, I\u2019ve railed against what I call \u201cchronic cardio\u201c\u2014the excessive, unrelenting endurance training I did for the better part of three decades. Most of my health issues cleared up when I stopped stopped running and training for marathons and triathlons, removed the refined grains and sugar I ate to support my endurance training, and began taking it easy. Explore the MDA archives and you\u2019ll read all about the downsides of chronic endurance training, as well as my experiences in that world. Next to Primal living, most people probably know me best for being against \u201cchronic cardio.\u201d It\u2019s kinda my thing.

As a result, a lot of people have this idea that any type of endurance training is verboten and totally antithetical to the Primal way of life.

That\u2019s a misconception, albeit an understandable one. But it\u2019s persistent. I have been outspoken against chronic cardio. I\u2019ve also released a book called Primal Endurance.

How do I square my distaste for chronic cardio with the fact that I wrote an entire book devoted to endurance training?

(This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)