A Little Known Secret About Handwashing

If you’re like me, you grew up with your parents telling you to make the water as hot as you can stand it before washing your hands.

Well, it turns out all that talk about hot water is hot air.

Researchers have published studies that indicate the germ killing effects of soap have just as much of an impact with cold water as they do with hot water. And what’s more, using hot water each time you wash your hands wastes a lot of energy.

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