I trained pretty heavily for a couple different endurance sports through college. I definitely felt that I was overall much calmer and less anxious when I was t

I trained pretty heavily for a couple different endurance sports through college. I definitely felt that I was overall much calmer and less anxious when I was training hard. I was just too tired to be stressed out about anything. I recently picked up boxing (mainly for the workout, not doing many fights) and felt the same effect.