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Alopecia areata: Causes, diagnosis and treatments

Alopecia areata is a condition that causes hair loss in small, round patches. The exact cause of alopecia areata is not well understood, but it is believed to be an autoimmune disorder in which the immune system mistakenly attacks hair follicles. Here is an overview of the causes, diagnosis, and treatments for alopecia areata: Causes: Autoimmune Response: The leading theory is that alopecia areata is an autoimmune disorder. The immune system mistakenly identifies hair follicles as foreign invaders and attacks them, leading to hair loss. Genetics: There is evidence suggesting a genetic predisposition to alopecia areata. Individuals with a family history of autoimmune diseases or alopecia areata may be at a higher risk. Environmental Factors: Some environmental factors, such as viral or bacterial infections, may trigger the onset of alopecia areata in individuals with a genetic predisposition. Diagnosis: Clinical Examination: A healthcare professional, typically a dermatologist, wi...