Flu season is upon us and with cooler weather and more indoor activities come more germs floating around in confined spaces.  We all know the general rules for keeping sickness away – wash your hands, cough into your sleeve and if you’re feeling under the weather, just stay home and rest.  But what about our diet? Our family is very lucky to have very little down time due to colds and flues and I attribute that mostly to our diet. For this week’s Five on Friday I’m taking a look at five foods that will help boost your immune system and hopefully keep you healthy this flu season.  Garlic – You…