Your immune system is your friend. It protects your body from infection. Give it your full support and, as with any friend, there will be perks.
Here’s how it works: Your immune system creates, stores, and distributes the white blood cells that fight bacteria and viruses that enter your body, especially during cold and flu season.
For such a simple-sounding process, there's a lot of bad information out there. Here are some myths and facts about the immune system and how it works.