I think part of this is to do with the 'hydrate' word. Years ago, before water was advertised on television there was this word 'thirsty'. Sometimes, on a hot day or after some strenuous activity you might be 'thirsty' and need to have a drink of tea or maybe just plain water for instant refreshment. The water came from the tap, where else? But then times changed. Nowadays people don't listen to their bodies and drin…
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