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Washing in "hot" water

greygarious | Dec 23, 2009 10:00 AM

I suspect that we put more faith in the germ-killing ability of hot water than we should. Is the maximum temperature we can tolerate on our skin while washing our hands or foodstuffs or dishes hot enough to disinfect? It seems far more likely that it's the water, soap, and friction that do the job.

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