Nearly half of Americans don't change underwear every day

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How often do you change your underwear?

For nearly half of Americans, it's not an everyday occurrence.

A survey conducted by underwear Tommy John found that 45 percent of Americans said they have worn the same pair of underwear for two days or more in a row.

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A more surprising number reveals that 13 percent said they have worn the same pair for a week or more.

Men were 2.5 times more likely to wear the same pair for seven days or longer, according to the survey.

Nearly half of Americans surveyed said they keep a pair of underwear for a year or more.

Tommy John said it's a good idea to swap out your undies every six months to a year because they can accumulate microorganisms and fungi which can lead to infections.