immune system

The **immune system** is the body’s natural defense network designed to protect against harmful pathogens, infections, and diseases. It comprises a complex group of cells, tissues, and organs working together to identify and neutralize threats such as bacteria, viruses, and other foreign invaders. Understanding how the immune system functions can help promote better health through proper nutrition, lifestyle choices, and medical interventions when necessary. Use this tag for posts related to immunity, immune health, disease prevention, and related scientific insights.