Friday, April 06, 2007

If up to 1/3 of all schizophrenia is caused by older paternal age how much autism in the UK is also caused by older fathers?

Advanced Paternal Age: How old is too old?

Journal of Epidemiology and Community Health 2006;60:851-853

Advanced paternal age: How old is too old?
Isabelle Bray, David Gunnell and George Davey Smith
Department of Social Medicine, University of Bristol, UK

Correspondence to:
Dr I Bray
Department of Social Medicine, University of Bristol, Canynge Hall, Whiteladies Road, Bristol BS8 2PR, UK;

Average paternal age in the UK is increasing. The public health implications of this trend have not been widely anticipated or debated. This commentary aims to contribute to such a debate. Accumulated chromosomal aberrations and mutations occurring during the maturation of male germ cells are thought to be responsible for the increased risk of certain conditions with older fathers. Growing evidence shows that the offspring of older fathers have reduced fertility and an increased risk of birth defects, some cancers, and schizophrenia. Adverse health outcomes should be weighed up against advantages for children born to older parents, mindful that these societal advantages are likely to change over time.


Keywords: paternal age; DNA damage; fertility; abnormalities; schizophrenia

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At 9:15 AM , Blogger mcewen said...

I heard on the radio yesterday that there are thousands of research studies on cancer but only about 50 on autism.
I think that the lack of research and co-ordination, means that we're all still pretty much in the dark.


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