Archive - Physiologically Speaking

California International Marathon Training Log (Week 2) | The Road to 2:20

Sep 29 •

Physiology Friday #287: My 5 Favorite Running-Related Studies This Month

Heat and fuel utilization; ultra-running and heart health; carb loading; vitamin D; and testing how long supershoes’ benefits last.

Sep 26 •

California International Marathon Training Log | The Road to 2:20

Sep 22 •

Physiology Friday #286: The Science of Alcohol & Ketones

I joined the Fuelin Sessions podcast to talk about a range of topics in health and performance nutrition.

Sep 19 •

Physiology Friday #285: Q&A on Ketones, Creatine, Endurance Nutrition, Heat Training, and More!

You asked. I answered.

Sep 12 •

1:02:59

Research Reveals How the Fastest Runners at the Boston Marathon Train

What “big data” can tell us about how to have success at 26.2.

Published on Run Long, Run Healthy • Sep 11

Physiology Friday #284: Can Low-Carb and High-Carb Pre-Exercise Meals Deliver Similar Performance?

A new study questions the dogma that carbohydrate oxidation is a critical determinant of endurance outcomes.

Sep 5 •

We've Got a Protein Problem

Experts can't agree on whether we need more or less of it. Here's why.

Sep 1 •

August 2025

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