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Thursday, July 24, 2008

Soy foods 'reduce sperm numbers'

Photo by news.bbc.co.uk
Soy products contain chemicals mimicking female hormonesA regular diet of even modest amounts of food containing soy may halve sperm concentrations, suggest scientists.

The study, published in the journal Human Reproduction, found 41 million fewer sperm per millilitre of semen after just one portion every two days.

The authors said plant oestrogens in foods such as tofu, soy mince or milk may interfere with hormonal signals.

SEE ALSO
Being too fat 'can damage sperm' 09 Jul 08 Health
Paint chemicals 'may harm sperm' 23 May 08 Health
Coffee 'worsens poor fertility' 07 Jul 08 Health

RELATED INTERNET LINKS
British Fertility Society
Harvard School of Public Health
Human Reproduction

Full story:
http://news.bbc.co.uk/2/hi/health/7519459.stm



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