15 Surprising Facts About The Immune System You Should Know.

Photo by Kristine Wook on Unsplash

Our immune system is an astonishing thing. It has to be tough and unrelenting, battling against every possible invader that enters our bodies. We all know about the symptoms of a cold or flu, but did you know that the immune system also causes symptoms like fatigue and muscle soreness?

The immune system can cure cancer; fight off parasites; prevent diabetes, heart disease and Parkinson’s; and more. But despite its amazing power, it can’t work on its own: we need to help our bodies heal through proper diet and hygiene too!

Here are 15 surprising facts about the human body’s most incredible organ — your immune system — that will make you rethink how you view this complex yet amazing process.

1. The immune system is the body’s greatest protector

The immune system is your first line of defense against anything that enters your body. Without it, we couldn’t fight off infections, disease, or anything else that threatens our health. It acts as a surveillance system, scanning the bloodstream for any signs of trouble and attacking it immediately.

2. However, there are limits to how much it can do!