Americans consume over $4 billion of soy foods each year because of their many health benefits. But new studies suggest that eating large amounts of soy's estrogen-mimicking compounds might reduce fertility in women, trigger early puberty and disrupt development of fetuses and children. 'We know that too much genistein is not a good thing for a developing mouse; it may not be a good thing for a developing child,' said Retha Newbold of the National Institute of Environmental Health Sciences.
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