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Can hair loss be affected by autoimmune diseases?

Some kinds of hair loss are caused by an autoimmune response in which your body attacks your hair follicles. If you have the kind of hair loss called alopecia areata, you might lose hair in round, smooth patches. You might also have hypothyroidism, an underactive thyroid gland, which can be caused by another autoimmune condition.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.