What you feed your kids

Babies fed soy-based formula have 13,000 to 22,000 times more estrogen compounds in their blood than babies fed milk-based formula. Infants exclusively fed soy formula receive the estrogenic equivalent of at least five birth control pills per day.

- Excerpted from Children of the Soy

Plastic has been seen as one source of estrogen-like compounds making men less manly and causing girls to enter puberty at earlier ages. Seems like soy is another.