Losing hair from the outer edge of your brows is a sign of an underactive thyroid.

如果眉毛变短了，或者头发变薄了，很可能是甲状腺激素分泌不足引起的。

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Manhattan psychiatrist Drew Ramsey recalled that early in his career, he examined a patient with daily panic attacks and noticed a swelling on her shins, a classic sign of Graves' disease, a form of overactive thyroid that can cause severe anxiety.

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