In addition to cleaning up any spills as they happen to prevent the spread of bacteria, you should give your fridge a deep clean about four times a year—it's a good chore to do when the seasons change ...

This is an adaptation of an article that originally appeared in the April 2011 issue of REAL SIMPLE, written by Allegra Muzzillo, Julia Edelstein, and Ashley Niedringhaus. We're sharing it as part of ...