How Does the Immune System Protect the Body from Disease? 50 Free Resources to Understand the Power of the Immune System

The immune system helps protect our bodies against diseases caused by pathogens. Pathogens, including viruses, bacteria, and parasites, invade our bodies and cause infection and/or disease. The immune system’s complex system of cells, tissues, and organs protects us against invaders by attacking them while leaving healthy tissue alone. Doctors and scientists continue to work to […]

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