Running A Marathon Causes Shocking Damage To Brain And Body! (Here's What To Do Instead)
Running a marathon is a bad idea—and in this episode, I explain why. I react to a shocking new study suggesting that during a marathon, the brain may actually consume myelin (the fatty insulation around nerve fibers) for fuel once glycogen stores run low.
The researchers reassure us that the brain “bounces back naturally over time.” I’m not so reassured. I talk about the acute damage caused by marathon running—not just to the brain, but also to the heart, kidneys, hormones, immune system, and inflammatory response.
I also go deeper into the long-term concerns…
The skinny
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