The soy component genistein has been found to disrupt the normal
development of ovaries in female mice, although a similar effect in
humans has yet to be proven.
Eating too much seafood, which can contain high levels of the toxic
substance mercury, could be linked to an increased risk of
infertility in men and women, researchers said on Tuesday.
Researchers in the UK find that environmental oestrogens such as
those found in soy or hops could have a positive short-term effect
on sperm fertility. The long term could be more damaging.
