Growing evidence shows that the health of offspring of older fathers is at risk. Paternal age of 35 is advanced.Paternal age is the major source of de novo genetic disorders. The rise in offspring with "autism" is expected as paternal age rises. Alzheimer's, schizophrenia,autoimmune disorders are increasing.
In the past couple of decades, the number of older fathers has increased. Birth rates for men older than 40 have jumped as much as 40 percent since 1980.
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