Men of higher intelligence tend to produce better quality sperm, UK research suggests.
A team from the Institute of Psychiatry analysed data from former US soldiers who served during the Vietnam war era.
They found that those who performed better on intelligence tests tended to have more - and more mobile - sperm.
The study, which appears in the journal Intelligence, appears to support the idea that genes underlying intelligence may have other biological effects too.
via BBC NEWS | Health | Intelligent 'have better sperm'.
Monday, December 8, 2008
Intelligent men 'have better sperm'
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