Plant estrogens have zero effect on humans, unlike the stuff thats injected into cows to make them grow more meat.
Soy however is mostly GMO, so its frankenfood and the japanese don't eat as much of it as americans think they do.
Its how you prepare it really. Since it soaks up whatever you cook it in, it can be fatty if fried in oil, salty if you use soy sauce, or healthier if you stick to more healthy sauces. If you must eat soy in large quantities find organic soy that didn't come out of Monsanto's laboratories.
Soy however is mostly GMO, so its frankenfood and the japanese don't eat as much of it as americans think they do.
Its how you prepare it really. Since it soaks up whatever you cook it in, it can be fatty if fried in oil, salty if you use soy sauce, or healthier if you stick to more healthy sauces. If you must eat soy in large quantities find organic soy that didn't come out of Monsanto's laboratories.