Does Temperature Matter?

The debate over cool or hot beverages during exercise

While it's been proven that exercisers drink more water when it's cold, believe it or not, there's still some debate about whether a hot or cold drink will cool your body more while you exercise. 

Sure—drinking a hot beverage when you're on a run doesn't sound like a good idea. But Peter McNaughton, a neuroscientist at the University of Cambridge, recently came out with a theory that supports doing just that. McNaughton claims that there are receptors on your tongue that respond to specifically to heat, and when these receptors are activated, they send a message to the brain that tell it to activate its cooling system—that is, telling your body to sweat—so that you cool down faster. 

But not everyone is so sure. In another study, athletes were given icy slushies which actually caused the body's core tempterature to drop—mainly, though, because the energy needed to melt the ice draws heat from the body and not necessarily because the drink itself is cold. And in yet another study, when athletes consumed drinks of different temperatures after a workout, there was no significant difference in core temps. 

All-in-all, nothing can be said for sure. Although the hot liquids theory seems plausible, as of now, there aren't studies to back up his claims. So until there are, signs point to the slushy to most effectively cool your core temp during or after a hot workout. 

Via Runner’s World.

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