Immunology is the branch of science that deals with the body’s defense system, called the immune system. It helps us understand how the body protects itself from infections, diseases, and harmful substances. Immunology also explores how an overactive or weakened immune system can lead to disorders like allergies, autoimmune diseases, or even chronic inflammation. Imagine your body’s immune system as a shield—when it’s strong, it fights off harmful invaders, but when it malfunctions, you might face health issues.
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