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Physiology Friday #253: Low-carb Matches High-carb for Performance: Is it Time to Question the Obligatory Role of Glycogen for Endurance Exercise?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. For decades, high-carbohydrate diets have been considered the gold standard for fueling endurance activities, largely due to their ability to optimize muscle glycogen stores. What’s this all mean?

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Physiology Friday #255: Strength Training for Endurance, Optimal HIIT Protocols, Omega-3s + a Big Announcement!

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. As a subscriber to Physiologically Speaking , he thought I’d make a capable predecessor and invited me to continue sharing the latest advice on how runners of all levels can improve their performance using science.

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Physiology Friday #254: Fueling for Performance and Health: Lessons from a Recent Low-Carb vs. High-Carb Study in Athletes

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Last week, I wrote about a new study comparing low-carb and high-carb diets for endurance performance. These changes occurred despite both diets being isocaloric and training loads remaining consistent.

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A step closer to understanding how a diet high in simple carbohydrates may cause dysbiosis

Journal of Clinical Investigation - Cardiology

The gut microbiota is an integral part of the human metaorganism that is required to shape physiologic host immune responses including host defense against pathogens. Disease-associated gut dysbiosis has been characterized by blooms of pathobionts, which are bacterial species that can drive disease under certain conditions.

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Physiology Friday #206: Is Too Much Protein Damaging to Your Arteries?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. High-protein diets are often advocated for building muscle, losing weight, and optimizing body composition. In simpler terms: In mice, a high-protein (and hence high-amino-acid) diet activates mTORC1. In fairness, 0.8

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The Case for Keto for Type 1 Diabetes with Andrew Koutnik, Ph.D.

Physiologically Speaking

Andrew joins me to talk about a case study (two papers) that he and colleagues just published on the long-term safety and efficacy of the ketogenic diet for an individual with type 1 diabetes who had been using the ketogenic diet for more than 10 years (spoiler alert: it’s Andrew).

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Physiology Friday #200: Higher Aerobic Fitness is Tied to Slower Biological Aging

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. This newsletter is brought to you by Examine.com — the best place on the internet for health and nutrition information — and my eBook, “VO2 Max Essentials.”