Here’s your free but abridged version of this week’s “Run Long, Run Healthy” newsletter. Subscribe here to receive the full edition with more on the latest scientific articles and research on training, nutrition, shoes, injury prevention, and motivation. Get more from the latest in running sports science: Run Long, Run Healthy Premium for as little as $3/month Can A Post-Run Hot Bath Boost Your VO2 Max? Heat training is exploding in popularity—but what if the most significant VO₂max gains...