Eli5 why do people say to wash dishes or your hands in warm water when cold slows down bacteria growth?

Question

Eli5 why do people say to wash dishes or your hands in warm water when cold slows down bacteria growth?

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Answer 1

I’ve worked at a job that has to do with a lot of old people.

People who expose their hands to cold frequently, whether while washing dishes, cleaning, washing cars, driving motorbikes without gloves, as cold wind blows over the hands, frequently have rheumatism and painful joints when they get old. My mom is one such victim, and she always told me to wash dishes with cold water to save on the electricity bill. I never complied, especially now that I pay my own bills.