Though there's not always much you can do to avoid being exposed to cold and flu germs -- think of the person hacking away in the cubicle next to you or your preschooler coughing in your face -- you can protect yourself from viruses by eating a healthy diet. Good nutrition helps your body run well, and that includes your immune system. Not only that, but when you're in good health, it's easier to fight off the bugs you do catch.

Ediets has a list of foods that, eaten regularly, can give your body the antioxidants it needs to fight off flu this season. Get essential fatty acids from nuts and seeds, antioxidants from citrus fruit and leafy greens, and energy from complex carbs. Take a look at the gallery below for more flu-busting good nutrition choices.