it's really happening!
But it's not in the water like many suspected...its a chemical used in several paper and plastic products. {One of the chemical additives in question was lithium that some experts were promoting to add to water supposedly to combat high suicide rates but was never approved}
Controversial chemical BPA found on paper money
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2010/12/08/MN8H1GN4FQ.DTL
'Hundreds of studies show that rats and mice exposed to BPA in utero are more likely to grow obese, develop cancer, reach reproductive maturity at an early age and exhibit neurological problems such as hyperactivity and aggression.'