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Artwork for The Performance Pulse by Sean Langan

The Performance Pulse by Sean Langan

Sean Langan

Content geared towards sports performance, physiology, health, and medicine.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues23SubscribersRead seanlangan.substack.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Recent study reports "weak evidence supporting EPO use for improved athletic performance"

A recent review article in the journal Sports Health claims that the available evidence does not support that erythropoietin (EPO) improves endurance performance.

a month ago
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Not all fat is created equal

This article might be a little dense at times, but stay with me. I started out with the intention of talking about TZD drugs for diabetes, because they are very effective at improving insulin sensitivity, but at the same time they make you ...

2 months ago
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Case Study Sunday #2

Picture taken from: Foulkes, Stephen J et al. “Lifelong physiology of a former marathon world-record holder: the pros and cons of extreme cardiac remodeling.” Journal of applied physiology (Bethesda, Md. : 1985) vol. 137,3 (2024): 461-472.

4 months ago
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Supplement Series - Vitamin C

Take a walk down the supplement aisle at your local grocery store and you’ll find most products boast the immune booster claim or some other catchy term. Vitamin C is the OG of immune system supplements, and you don’t need to be a medical p...

4 months ago
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Authors

The writers behind this newsletter.

  • Sean Langan

    Interested in the physiology behind human performance & health. Follow @splsystems on IG and @spl5_ on twitter/X

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