By Maggie Fox, Health and Science EditorWed Mar 28
U.S. women who eat a lot of beef while pregnant give birth to sons who grow up to have low sperm counts, researchers reported on Tuesday.
They believe pesticides, hormones or contaminants in cattle feed may be to blame. Chemicals can build up in the fat of animals that eat contaminated feed or grass, and cattle were and are routinely given hormones to boost their growth.
"In sons of 'high beef consumers' (more than seven beef meals/week), sperm concentration was 24.3 percent lower," the researchers wrote in their report, published in the journal Human Reproduction.
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Not surprising. Another way to look at how hormones are passed through our food to us.