Iodine deficiency is still shockingly widespread. According to World Health Organization, "Iodine deficiency is the world’s most prevalent, yet easily preventab

Iodine deficiency is still shockingly widespread. According to World Health Organization, "Iodine deficiency is the world’s most prevalent, yet easily preventable, cause of brain damage." http://www.who.int/nutrition/topics/idd/en/ http://www.who.int/nutrition/topics/idd/en/ And many believe it is even still widespread in first world countries: https://hypothyroidmom.com/busting-the-iodine-myths/ https://hypothyroidmom.com/busting-the-iodine-myths/