Abstract

Immunology: Understanding the Immune System and Its Role in Health and Disease

Author(s): Nathaniel Brooks

Immunology is the branch of biological science that focuses on the study of the immune system and its mechanisms for defending the body against infectious agents and other harmful substances. It plays a fundamental role in maintaining health by distinguishing self from non-self and initiating appropriate immune responses. Advances in immunology have significantly contributed to the prevention, diagnosis, and treatment of a wide range of diseases, including infections, autoimmune disorders, allergies, and cancer. This article provides an overview of immunology, emphasizing the structure and function of the immune system, its clinical relevance, and its impact on modern medicine. Continuous research in immunology has expanded understanding of immune regulation and has led to innovative therapeutic strategies that improve patient outcomes worldwide.