Our immune system is our body’s first line of defense against illness. In the same way that a security system around our house would provide protection, our immune system uses a system of chemicals and proteins in our body to fight off viruses, harmful bacteria, infections and parasites. A stronger immune system means less chance of getting sick. There are ways to boost our immune system to maximize its effects. Our immune system is something that should be nurtured. There are everyday lifestyle habits we can focus on to help give our immune system what it needs to fight off an infection or illness.