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Physiology Friday #219: Could a Low-Carb Ketogenic Diet Harm Bone Health in Endurance Athletes?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. But one of the biggest contributors to poor bone health in athletes is diet. Some evidence in animals and children with epilepsy adhering to ketogenic diets suggests that bone health may be impaired.

Diet 52
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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.

Diet 131
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Physiology Friday #193: Low-carb diets for high-intensity performance

Physiologically Speaking

Welcome to the Physiology Friday newsletter. This week, I’m reposting a post that initially appeared as a paid post in April. I know you’ll enjoy it (or potentially re-enjoy it if you read it already). This newsletter is brought to you by my ebook “VO2 Max Essentials” (on sale for $5 for Black Friday!)

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Physiology Friday #193: Low-carb diets for high-intensity performance

Physiologically Speaking

Welcome to the Physiology Friday newsletter. This week, I’m reposting a post that initially appeared as a paid post in April. I know you’ll enjoy it (or potentially re-enjoy it if you read it already). This newsletter is brought to you by my ebook “VO2 Max Essentials” (on sale for $5 for Black Friday!)

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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).

Diabetes 113
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Disentangling the Metabolic Effects of the Ketogenic Diet and Ketone Supplements during Exercise

Physiologically Speaking

More contentious is whether ketogenic diets have any utility for exercise performance, especially among high-level athletes. Ketogenic diets are characterized as being very low in carbohydrates (less than 50 grams per day), modest in protein, and high in fat (more than 80% of total energy intake). What are ketones?

Diet 52
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From Bedtime to Mealtime: Understanding the Sleep-Diet Relationship

Physiologically Speaking

Poor sleep is associated with worse diet quality, and sleeping less causes people to eat more — and more of the wrong things. This article will discuss the bi-directional relationship between sleep and diet, explore the mechanisms of sleep-promoting foods, and explain why you might crave junk food when you’re sleep-deprived.

Diet 52