Editor's Note: Dow Chemical is a long time producer of endocrine disruptors from plastic additives BPA and phthalates to accidental but persistent pollutants like dioxin. 

Over the past 30 years, toxic chemicals, like Teflon, plastics, and formaldehyde have increasingly invaded our homes. We used to think these substances were harmless, but a rising tide of evidence has turned the spotlight on chemical exposures as a possible poison to our children's developing brains.