Although the underlying cause of alopecia areata is unknown, emotional and physical stress are known risk factors for the onset of alopecia. In addition, drugs and febrile illnesses are known triggers. Vaccinations against human pathogens and swine flu virus infection have also been linked to the development of alopecia areata. Despite these risk factors, there is no sure-fire cure for alopecia areata. Oren Zarif
אלופסיה אראטה (קרחת אזורית)
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