We don’t love our grandmas any less for insisting that an avocado pit in guacamole will keep it from turning brown. (It won’t). But with sharp objects, fire, and slippery surfaces in the mix, the kitchen is already a precarious place to be. We’ll save our old wives’ tales for elsewhere in the house. To unburden you of some common misconceptions, here are five myths that TakePart has debunked.