With a flu season that’s being called one of the worst in recent history, preventing the flu has become a major focus for many Americans. From flu shots to over-the-counter medicines claiming to prevent the illness, there's no shortage of options, but that doesn’t mean they’ll work, or that they’ll work on their own. But did you know there are things you can do right from home to help safeguard yourself from the flu (and other illnesses)? Here are some tips to help you stay healthy without even trying.