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Author Topic: Men of Higher intellegence tend to produce quality sperm.  (Read 4818 times)
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BBC NEWS
A team from the institute of Psychiatry analysed from former US soilders who served during the vietnam war era.
They found that those who performed better on intelegence tests tended to have more - and more mobile sperm.
The study, which appears in the journal of intelegence, appears to support the idea that genes underlying intelligence may have other biological effects too.
Therefore, if tiny mutations impair intelligence, they might also harm other charateristics, such as sperm quality.
Conversely, people with robust genes might be blessed with biological "fitness factor" making them fit, healthy and smart.
Previously, scientists tended to assume that lifestyle factors were more likley to underline any relationship between intelegence and health.
For instance, brighter people may be less likley to smoke, and more likley to take exercise, both of whick are known to impact on mental performance.

Different characteristics

The latest study tested the gene theoryby taking two characteristics that seemed unlikley to be associated with each other - intelligence and sperm quality.
They found a small, but statistically significant link, and were able to show that this could not be explained by unhealthy habits, such as smoking or drinking alcohol.
The study was based on 425 men who undertook several intellligence tests and provided semen samples.
The reseachers found independently of age and lifstyle, intelligence of age and lifestyle, intelligence was correlated with all three measures of sperm quality - numbers, concentration, and ability to move.
Lead researcher Dr Rosalind Arden said, "This does not mean that men who prefer Play-Doh to Plato always have poor sperm the relationship we found was marginal.
"But our results do support the theoretically important "fitness factor" idea".
"We look forward to seeing if the results can be replicated in other data sets, with other measures of intelligence and other measures of physical health that are also strongly related to evolutioary fitness".

Dr Allan Pacey is an expert in fertility at the University of Sheffield.

He said "The fact that it's possible to detect a statistical relationship between intellligence and semen quality in adult man probably says more about the co-development of brain and testicles when the man was in his mother's womb, and therefore how well they both functioned in adult life, rather than suggesting that playing Sudoko can somehow stimulate more sperm to be produced".
"The improvement in semen quality with intelligence observed in this paper is small and therefore it is unlikely to have a big impact on the ability of men of different intelligence to conceive".

The semen samples were collected in 1985 by the US Centers of Disease Control as part of a large-scale study into health of US soldiers who served during the Vietnam era. Some of the men in our sample had served in Vietnam, some in Germany, Korea and the USA.

Published: 2008.12/05.  BBC MMV111. 
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omar
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Well now I know why I am not so brilliant.........kidding....what a load of twoddle.........
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