flu-fighting foodsAh-choo! Uh-oh. My daughter, my husband, and I are all sneezing. Hope it's not the flu. We're all pretty good about washing our hands and covering our mouths when we cough. And I've just discovered, there are certain flu-fighting foods we can incorporate into our diet to boost our immune system and help keep us from getting sick.

1. Garlic. It boosts the immune system, increasing resistance to infection and stress.

2. Vitamin D. Research shows that low levels of vitamin D may be linked to an increase in colds and flu.

3. Citrus fruits. They contain vitamin C, which help boosts the immune system.

4. Creamy Orange Shake. Andrea Garen, a registered dietitian in California recommends this recipe: Combine one-half cup of orange juice with one-half cup of fat-free frozen yogurt and a teaspoon of vanilla. Each one-cup serving has just 177 calories and 3.5 grams of fat.

For more ways to keep your family healthy during the flu season, check out the recipes listed in the Flu-Fighting Foods Cookbook.

How do you fight the flu?