Consumption of soy is common in many Asian countries. The people of China, Japan, and Thailand use more soy products every day than you would get from drinking a glass or two of soy milk. read more
It is unlikely soy products will hinder a male teenager's growth. I've found a study that suggests the levels of estrogen are actually lower in Japanese males who drink soy milk. Of course there could be differences in people of other races. read more
Soy milk is a plant-based alternative to cow's milk that many people choose for health reasons. Soy milk contains phytoestrogens, a plant-based form of estrogen that mimics the effect of the hormone estrogen. Estrogen is primarily a female hormone, even though both males and females produce estrogen. read more