(CNN)   Do you compulsively scrub your toilet for fear of germs? Good for you, but how often do you change your bath and hand towels?

You’re well-informed, so you already microwave your germy kitchen sponge. Or should you?
When’s the last time you sanitized your refrigerator, scrubbed your microwave handles or bleached your kitchen sink?
Yes, there are microbes everywhere and most are just fine for us, perhaps even beneficial to our microbiomes and immune systems. We don’t care about those.

Image by Michal Jarmoluk from Pixabay

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