Interesting read on the subject. I never thought of it as something that could enhance performance.
I also like how he doesn't want his identity known but it gives his recent race results.
http://www.mensfitness.com/...etter-athlete?vfbdc=
I also like how he doesn't want his identity known but it gives his recent race results.
http://www.mensfitness.com/...etter-athlete?vfbdc=