Keiva: you are unwelcome in AWADtalk.

In 1990, theWorld Health Organization estimated that 20 million people in the world had varying degrees of preventable brain damage …

This is incomprehensible since iodized salt is so cheap I can see no excuse for WHO or the governments of the afflicted areas failing to provide it. It occurs only where constant leaching washes ioding compounds away. It never occurs within quite a few miles of seacoast, because salt spray carries enough iodide to prevent the disorder.