Here's the complete, full-text version of this week's Run Long, Run Healthy newsletter. As always, thanks for your support.- Brady What If Muscle Glycogen Isn’t the Performance Limiter We Think It Is? Is endurance performance merely a game of maintaining blood glucose? 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. But a new study is challenging our understanding of...