Every day, your immune system performs a delicate balancing act, defending you from thousands of pathogens that cause disease while sparing your body’s own healthy cells. This careful equilibrium is ...
Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body's natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It's a complex network of ...
Our immune system is much older than we think. Long before dinosaurs existed, early life forms had developed a powerful defense system. Innate immunity has existed since the Cambrian period—that is, ...