I suspect we've been suckered by a sexed-up headline.

I came across several other accounts by accident. No mention of drinking urine, only melted snow.

http://www.nbcnews.com/news/us-news/las-vegas-woman-who-walked-26-miles-snowy-grand-canyon-n700371

http://www.popularmechanics.com/adventur...e-grand-canyon/

http://www.foxnews.com/us/2016/12/25/she...as-miracle.html