[Comment: The synergistic effects of chemicals are often overlooked and are one reason why the "dose makes the poioson" adage no longer applies. Synergistic effects may be why certain suceptible people experiene toxiciological effects at such low, supposedly safe, doses.
BPA and genistein together affect nervous system in rat embryos.
http://www.environmentalhealthnews.org/ehs/newscience/bpa-genistein-mix-alter-nervous-system-development/
http://www.environmentalhealthnews.org/ehs/newscience/bpa-genistein-mix-alter-nervous-system-development/
May 14, 2010
"A mixture of two common substances often found in food bisphenol A and the phystoestrogen genistein caused more serious developmental problems in rat embryos than would be expected from either one alone."