Please read as much as possible on soy!! It is causing little girls to menstruate as young as 8 or 9 and even younger. It causes high oestrogen. It is also very toxic unless eaten in the way that it has been traditionally eaten in Asia. ie. fermented into products like miso, tempeh, natto and so on.
Click on the link below. The people who started this site twigged about soy when they started feeding it to their birds and the birds developed beak/bone deformities, matured early and died young.