Just when you thought you had heard it all , from the Loveland Ski FAQ : make a solid foundation for your cerebral edema with low sodium diet , and high water intake – starting one week (!) before ascent.
There is no full proof method for avoiding altitude sickness, but drinking extra water and avoiding salty foods the week before you arrive seems to be the most helpful. For more info click :
( No , the American Heart Association has never , ever said anything like this. )
Runner up : the New York Times travel blog , for high lighting the dangers of the train ride to Lhasa – and failing to notice two separate oxygen delivery systems in every car , at every seat.