13. Your Kitchen Sponge Is Way Dirtier Than Your Toilet Seat
You scrub dishes with that bright yellow sponge every day, assuming it’s getting things clean, but studies show a used kitchen sponge can harbor more bacteria per square inch than a toilet seat — sometimes millions of times more. The warm, moist environment makes it a perfect breeding ground for germs.
If you’re over 35 and have been dutifully “cleaning” with the same sponge for weeks, this one hits hard. Suddenly you’ll want to microwave it or replace it daily. It’s the grossest obvious truth about something you touch constantly.
