Health professionals are expressing **growing concerns** about **iodine deficiency** returning in the U.S. after decades of effective public health measures.
A recent case involved a **13-year-old boy** who experienced a rapidly enlarging neck due to iodine deficiency, highlighting risks in children.
Historically, iodine deficiency was common but decreased significantly with the introduction of **iodized salt** in the 1920s, leading to a public health triumph.
Recent trends indicate a decline in iodine intake, particularly among **pregnant women and children**, with dietary changes and preference for non-iodized salts being notable factors.
Experts advocate for **increased awareness** of iodine's necessity, particularly emphasizing its role in **child brain development and metabolism regulation**.