Beer nerds are known to hold (and loudly espouse) the view that nothing refreshes quite like a beer. Now some British lab nerds from the Sports, Health and Exercise Department at the University of Loughborough have indirectly come to their aid by establishing a Beverage Hydration Index. A nice chilled Lager, it turns out, hydrates just as well as water, and almost as well as test winner whole milk. (Spoiler alert: so do sodas, coffee or sports drinks). Alcohol content plays a role, so best stay away from those nuclear IPA's after your workout. But given a choice between beer and - milk? We all know who the real winner is.

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