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Many office workers have a beloved coffee mug that they cling to for dear life.

It also acts as a conduit for warm drinks which have been shown to improvemetaphorical feelings of warmth.

Where are those dangerous germs coming from?

Empty coffee mugs in kitchen sink being washed

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A communal sink and sponge only exacerbates the problem as they are cesspools for germs.

But don’t let sugar or milk sit in your mug.

In that case, the best solution is taking your mug home to wash it.

Coffee mugs that need to be washed, or rinsed

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Scientists encourage washing your office coffee mug often, but not necessarily with a sponge.

Stained coffee mugs seen from above

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Scientist with blue latex gloves on holding and looking at a coffee mug

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Woman loading a dishwasher with coffee mugs

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