In today's world, everyone carries a toxic load of dozens of industrially produced chemicals in their bloodstream. Not only do these adversely affect the health of adults and children, but also, and more worryingly, they damage the development of unborn infants. The amniotic fluid of pregnant women has been found to contain a variety of chemicals, such as pesticides, plasticizers, disinfectant products, flame-retardants, surfactants and UV filters, many of which interfere with fetal physiology, especially thyroid hormone action. Thyroid hormone is vital for brain development, particularly for...

The global prevalence of neurodevelopmental disorders is accelerating. Numbers of children affected by an autism spectrum disorder (ASD) in the United States have reached 1 in 88 -- 1 in 56 among boys -- and even more children have developed attention deficit/hyperactivity disorders (ADHD). The burden of these disorders to individuals and society overall is enormous; ASD alone costs the United States a staggering $130 billion, with ADHD costs reaching similar heights.

Genetic causes of these neurodevelopmental disorders cannot account for such radically increased rates of incidence. The...