Toxic Chemical in Drinking Water and Thyroid Problems: Bigger Threat than Previously Believed

Perchlorate, a chemical compound used in rocket fuels, fireworks, fertilizers, food packaging and many other industrial materials, seeps into  groundwater–the very source of our drinking water. Now scientists have discovered perchlorate presents far more of a threat to our thyroids than previously believed. Unfortunately, the U.S. government has just decided not to regulate the amount of this toxic chemical in our drinking water.