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Just how bad are your embarrassing habits?

Photos Logo By Michael Ko of Photos | Slide 1 of 11: Photo

Behind closed doors

We all know what we should do: eat right, stay out of trouble, exercise, practice perfect hygiene. Those are the pillars of a healthy life. But we also know we have our bad habits, our reckless sides, the kinds of things that we do behind closed doors, or when no one's looking and we're looking for shortcuts. Some of these things might seem pretty harmless. So what if we eat that last piece of steak -- after it fell on the floor -- or borrow a spouse's toothbrush? But could some of these behaviors be more dangerous than we realize? What actually happens when we leave a bathroom without washing our hands? What exactly are the risks?
© What habits do you have that are really bad? (© PhotoAlto/Michele Constantini/Getty Images)
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