• cbrdgt.

    Sometimes you get one from your body attacking itself (auto-immune), exposure to radiation (results in hypothyroidism) or too much or too little iodine in the diet.

  • 2blest2Bstrest

    It is not contagious, if that is what you mean. It is hereditary though. Some symptoms are the same whether hypO or hypER, such as fatigue (for different reasons). Most are opposites: hypO may have cold intolerance, constipation, excessive sleepiness, weight gain where one that is hypER, may have heat intolerance, diarrhea, insomnia, and weight loss.

    Google ‘Mary Shomon’ to learn more.

    God bless

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