Think of your immune system as the army inside your body. When this army is strong and supported by a healthy gut, it has the tools it needs to fight off attacks. However, when your immune system is weak – possibly from medications, infections, or a poor diet – it quickly becomes vulnerable to these attacks. It responds by causing inflammation throughout your entire body. Here’s everything you need to know about the anatomy of your immune system and what you can do to ensure your army is supported.