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Your kitchen sponge is filthier than your toilet, study says
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Your kitchen sponge is filthier than your toilet, study says

Your Kitchen Sponge Is Filthier Than Your Toilet, Study Says

Your kitchen sponge is filthier than your toilet, study says

The toilet bowl holds quite a bit of muck, but according to a recent report, there’s another item in your home that’s even filthier: your kitchen sponge.

Researchers in Germany conducted a study to determine the different types of bacteria found on a sponge. To do so, they sequenced the DNA of 28 samples of bacteria collected from 14 sponges. 

 >> Dirtier than the toilet? These 5 items are among the filthiest in your home

They found 118 genera of bacteria. That’s more than what’s found on toilets. 

"Despite common misconception, it was demonstrated that kitchen environments host more microbes than toilets. This was mainly due to the contribution of kitchen sponges, which were proven to represent the biggest reservoirs of active bacteria in the whole house," the study said.

>> On AJC.com: Toothbrushes can be more germ-ridden than a toilet seat

However, the scientists noted that most of the genera of bacteria discovered was not harmful. The pathogens that were found were most concerning, because those can cause infections among humans. 

>> On AJC.com: How well are you cleaning the 10 filthiest places in your kitchen?

"Kitchen sponges are likely to collect, incubate and spread bacteria from and back onto kitchen surfaces, from where they might eventually find their way into the human body," the study said. “Direct contact of a sponge with food and/or the human hands might transfer bacteria in and onto the human body, where they might cause infections, depending on their pathogenic potential.”

Although many boil or microwave sponges to rid of toxins, analysts found that the latter method only kills 60 percent of bacteria. Plus, the bacteria could increase after cleaning, because the microbes re-colonize. 

>> Read more trending news

To minimize the spread of germs, researchers suggests that people replace their sponges at least once a week.

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