Brad Kearns tackles more interesting Q&A from Primal Endurance podcast listeners and book readers. Submit your questions at www.primalblueprint.com/endurance and they will get covered on the air.  While the questions relate to the specific needs of the individual, the answers are presented in a manner that applies to a broad audience. Listen and enjoy learning about the challenges and successes of your endurance peers, and come away with plenty of practical tips to help improve your training and competitive results. Candy is a coach and she is asking about training young kids and how to prevent injury and burnout. [00:00:53]  David asks about aerobic vs. anaerobic training. He has slowed down his training and now he wants to compete. Will he have to start all over again after he competes using maximum speed? [00:07:30]  Another David, age 28, finds it difficult to contain his heart rate when something beyond his control comes into the picture. What happens to his heart rate? [00.19.12] Ward asks about skipping workouts. He asks about muscle loss in older people (sarcopenia) and whether your skills get depleted if you are not consistent. [00:22:35]  What about de-training due to illness or injury? Can you get it back? [00:30:05]  Travis asks, "Does ketosis protect me from injury?" [00:32:53]  Josh is asking about a massive Navy Seal challenge he participated in and whether such an event is damaging. How can you go about participating in Primal Obstacle Race? [00:35:43]