You’ve likely heard of your immune system. It’s your body's personal defense team, designed to find and destroy foreign invaders like viruses and bacteria. But what happens when this defense system gets confused? In short, an autoimmune disorder is a condition where your body's immune system mistakenly attacks its own healthy cells. Instead of targeting only the "bad guys," it misidentifies parts of your own body—like your joints, skin, or organs—as a threat and begins to fig