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Prevention

The thyroid needs iodine (in tiny amounts) to make thyroid hormone. Today, so many foods contain iodine that hypothyroidism secondary to iodine deficiency has become extremely rare. However, ingesting extra iodine does not prevent hypothyroidism. So in reality, there is no way to prevent hypothyroidism.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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