Children of older fathers likelier to have genetic ailments

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by KING 5 HealthLink

KING5.com

Posted on August 22, 2012 at 6:19 PM

Updated Friday, Jan 4 at 10:44 AM

A new study shows a possible link between a man's age and the chance his child will develop mental illness.
  
An Icelandic company says 97 percent of DNA mutations come from the father.
  
Researchers found a 40-year-old man passes on almost three times as many mutations in DNA to his child than a 20-year-old.
  
Scientists believe men are responsible because women have all their eggs at birth, while men constantly develop sperm.

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