Cold Adaptation: the evolution of training

Are pioneers such as Lance Armstrong, who had a walk-in freezer installed in his house so he could train in it, and Michael Phelps, who trains in 50-60 degree water, onto something evolutionary, or is this just another paleo style gimmick?

Will we see treadmills moved into meat lockers?

Al Sal demanding a combo Cryosauna/Alter G?

More info on the science behind the theory for those interested.

http://jackkruse.com/the-evolution-of-the-leptin-rx/?utm_source=rss&utm_medium=rss&utm_campaign=the-evolution-of-the-leptin-rx