Elemental iodine is a poison and it can be lethal when given in large amounts. 2 – 3 grams of iodine is enough to kill an adult. Even when applied externally on the skin, elemental iodine is still toxic. Severe iodine deficiency in the mother has been associated with miscarriages, stillbirth, preterm delivery, and congenital abnormalities in their babies. Children of mothers with severe iodine deficiency during pregnancy can have intellectual disabilities and problems with growth, hearing, and speech.
Mar 19, 2018 · 6 Possible Risk Factors Linked to Iodine Deficiency. When iodine intake becomes severely low, the thyroid compensates for the decreased levels by developing a swollen thyroid gland with nodules, known as a goiter, in order to absorb as much available iodine. The FDA currently has set recommended daily allowance (RDA) for iodine at 150 micrograms, which is efficient enough to Author: Krystal Crawford, ND, MS. Paradoxically, another major consequence of mild-to-moderate iodine deficiency in older adults is hyperthyroidism (excessive thyroid function), especially in women. 35 This is the result of rapidly growing thyroid gland nodules that over-produce thyroid hormone; it can trigger cardiac arrhythmias, osteoporosis, and muscle wasting. 35.
Mar 10, 2018 · In the same vein, the standard adult RDA for iodine today is 150 μg/day (micrograms per day), 220 μg/day for pregnant women, and 290 μg/day for lactating women. This was established over 75 years ago for the prevention of goiters and severe complications during pregnancy.