252. How Running May Impact The Brain, Plus Q+A on Body Image, Heat Suits, Sweat Testing, and Nose Breathing!

Some Work, All Play

David Roche and Megan Roche

Sports, Running

4.8 • 1.4K Ratings

🗓️ 1 April 2025

⏱️ 89 minutes

🔗️ Recording | iTunes | RSS

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Summary

We pondered the genetics of smelling ants before this great episode! The main topic was a new study that found the brain may use myelin lipids for fuel during low glucose conditions like marathons. This could have massive implications for how we think about fueling and fatigue resistance, including for cognitive function. Our big theory: fueling is just as much about nourishing and protecting the brain as it is the legs.

And this one was full of amazing topics! Other topics: the resurrection of the green shorts, “tension” training via uphill biking and running, heat suit training, genetic data, why post-exercise ketones may be most beneficial after longer efforts, the wild connections between heat response and evolution, body image and clothing choices, heart rate after layoffs, racing athletes we coach, dealing with break-ups, the art of sweat testing, and our frustration with nose-breathing recommendations.

May your shorts be green and long,

-Megan and David

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Transcript

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0:00.0	Woo!
0:01.0	Welcome to the SomeWork All Play podcast.
0:03.0	We are so happy to do with you today.
0:04.0	Happy Tuesday.
0:05.0	It's Tuesday.
0:06.0	And I'm feeling some lucky vibes on this Tuesday.
0:08.0	Ooh, lucky.
0:09.0	What are you lucky about?
0:10.0	You're lucky.
0:11.0	Oh.
0:12.0	Yes, the fact that your green shorts are back in existence.
0:14.0	Oh, yeah.
0:15.0	I got to wear them for my runs this weekend.
0:17.0	They were so good. But unfortunately, I didn't wear them last week when we went to the 50K.
0:21.3	There were those shorts I wore last year at the races. There are long shorts. They go down almost to my
0:26.2	knees. For some reason, they give me confidence and swagger. And I didn't have that green short swag,
0:31.8	Megan. And that's probably why I shacked a bed. Well, we were driving to the airport on the way to Big Alta, and it was too far to turn around and come back to the house. And you casually mentioned, you're like, oh, I don't have my green
0:40.4	shorts. And I was like, David, I know. Why? You were like totally heartbroken by it and you tried to
0:46.0	hide it because you didn't want me to get in We might be late for the flight, but it's worth it.
0:58.7	That was the only thing that made me good last year. Like in your eyes, I'm pretty sure it's like the ring in Lord of the Rings. It gives me the great powers is these shorts. The shorts are great.
1:04.7	They're eccentric. They're different. I do feel like it gives you, I mean, your legs give you powers, but I feel like the shorts help bring out those
1:10.9	powers. I'll be wearing them from now on. You brought me to light. You made me realize the error
	...

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