Iodine deficiency little iodine in the diet, typically remote inland areas and semi-arid equatorial climates where no marine foods are eaten, iodine deficiency gives rise to hypothyroidism, symptoms of which are extreme fatigue, goiter, mental slowing, depression, weight gain, and low basal body temperatures. Iodine deficiency is the leading cause of preventable mental retardation, a result which occurs primarily when babies or small children are rendered hypothyroidic by a lack of the element. The addition of iodine to table salt has largely eliminated this problem in the wealthier nations, but as of March 2006, iodine deficiency remained a serious public health problem
Leave a Trace her feelings and finding closure, and delivering a sweet vocal that drills deep into the pleasure centres." Abby Johnston of "The Austin Chronicle" called Mayberry's performance in the song "at the level of a modern-day Cyndi Lauper." "Rolling Stone" placed "Leave a Trace" at number 24 on its list of the 50 Best Songs of 2015. "Billboard" ranked "Leave a Trace" at number fourteen on its year-end list: "On 'Leave a Trace', Iain Cook and Martin Doherty’s fine-tuned swirls of synthesizer are just begging for a killer hook, and Mayberry -- singing with more swagger than ever before -- hammers