Roommates’ toothbrushes likely contain each other’s fecal matter, study says

June 8, 2015 3:55 PM

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Roommates’ toothbrushes likely contain each other’s fecal matter, study says

If you share a bathroom with a roommate or a partner, there’s a good chance your toothbrush contains that person’s fecal matter, a new study suggests.

Researchers at Quinnipiac University in Hamden, Conn., studied undergraduate students’ communal bathrooms and found that more than 60 percent of toothbrushes collected tested positive for fecal matter, according to Medical News Today. Study authors noted that among those toothbrushes, there was an 8...

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