"Their findings support the emerging 'central governor hypothesis' – the theory that it is not the muscles, heart or lungs that ultimately limit performance, but the brain itself, based on the information it receives from the body. Stimulating the brain in certain ways – such as swilling drinks – can boost output, perhaps giving athletes that all-important edge..."
Obviously these researchers heard about the fantastic physical feats of people who had been drinking and decided to find out what was happening. At least that's the way my blurry eyes see it. Mind over muscles. At least to a point.
http://www.scientificblogging.com/news_ ... bohydrates