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Science in Brief

Low sperm count, soy foods linked

July 26, 2008|From Times Staff and Wire Reports

Eating half a serving per day of soy-based foods could significantly lower a man's sperm count, Harvard researchers reported Wednesday in the journal Human Reproduction.

The study is the largest in humans to look at the relationship between semen quality and a plant form of the female sex hormone estrogen known as phytoestrogen, which is plentiful in soy-rich foods.

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