Soy: the good, the bad, and the ugly
Friday, October 13, 2006

by Marilyn Freedman
Don’t feed your baby soy based formula. Don’t feed your child soy products. The reason I say this is because one of the components of soy, isoflavones, also known as phytoestrogens, are naturally occurring chemicals that act like the hormone estrogen. Estrogen is a female hormone…

Soy can also cause goiters in people with thyroid problems.

http://www.cbc.ca/news/background/food-supply/soy.html