Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.

Add Yahoo as a preferred source to see more of our stories on Google. You've been diligent about cleaning your hands, your phone, your groceries, even your keys. But what about those handy reusable ...

Your everyday bag, whether it’s a sporty nylon backpack, classic canvas tote or sleek leather carryall, takes a beating while in use. Constantly handling it, setting it down on the ground and other ...