• Fatigue: Iodine is essential for energy production, so a deficiency can lead to fatigue and weakness.
  • Hair loss: Low iodine levels can cause hair to become brittle and fall out.
  • Dry skin: Iodine is important for skin health, so a deficiency can cause dry, itchy skin.
  • Weight gain: A lack of iodine can slow down the metabolism, leading to weight gain.
  • Cognitive impairment: Iodine is crucial for brain development and function, so a deficiency can lead to cognitive impairment and lower IQ.
  • Miscarriage and stillbirths: Iodine deficiency during pregnancy can increase the risk of miscarriage, stillbirths, and other pregnancy complications.

Children are particularly vulnerable to an iodine deficiency as it can lead to stunted growth, cognitive impairment, and lower IQ. It’s also important to note that an iodine deficiency can increase the risk of developing thyroid cancer.