Hot Water Ain’t More Effective

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Cool down bro: although recommended by some health organisations, using hot water when washing your hands isn’t going to wash away more germs. In fact, it’s not good: it can lead to irritated skin and is a waste of energy, according to a new study by researchers at Vanderbilt University. While it’s true that hot water can kill more germs, the temperature at which this is possible would be harmful to the skin.¬†When scrubbing, rinsing and drying hands properly with cooler water, it reduces as much bacteria as warmer water. Using hot water wastes energy, say the researchers. In the study, 69% of the 510 participants thought that using hot water increases the efficacy of hand washing and 64% of them used hotter water most of the time. Researchers recommend using a “comfortable” temperature water for washing hands instead of warm or hot water. To keep away more germs, should you Handshake or Fist Bump?

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