British women wash their bras only six times a year, the Daily Express reports. The slightly confusing results of a study indicate that although women own an average of 15 bras, they wear each one seven times before throwing it in the hamper. “The extra dirt is clearly not good for the wearer’s skin as bras are fitted snug to the chest and this build up of bacteria can create irritation,” a “stain guru” said. And the lack of washing is bad for the bra. (More clothing stories.)