thought this was interesting:
http://www.cnn.com/2004/HEALTH/05/03/lbl.overview/index.html
.
I thought explaining (to others and myself) why I do Ironman was tough, but try it with free diving! That is one “sport” i’ll never understand. How would you even think of getting into it in the first place? That said, the human body and mind and spirit continue to fill me with wonder.