Sep 28, 2012 at 06:29 PM
http://gizmodo.com/5947311/top-of-the-first-antarctic-explorers-packing-list-lots-and-lots-of-cocaine
"... to cure exhaustion, they had on hand pills called Forced March—a mixture of coke and caffeine that they'd take hourly to just keep moving their legs through the punishing cold. Your heart might explode, but at least you won't collapse from exhaustion..."