The American Halloween is just one of many celebrations around the globe with roots in ceremonies to honor the dead who've returned to visit their loved-ones. Want to join the Hungry Ghosts Festival or snack on a sugar skull?
Comedian Chris Rock once joked that his father's prescription for any ailment was Robitussin. And his dad wasn't alone: Plenty of families swear by various folk remedies handed down through the generations. Problem is, they simply don't work.