Are these studies of relevance to the report from Israel that older men feed their mutations into the gene pool and this in part accounts for keeping the “schizophrenia gene” going despite poor fertility (Malaspina et al., 2002)? And might a comparison of the DNA of healthy siblings born before the mutations of an “older man” mutation with that of a sibling who got such a later mutation and developed schizophrenia reveal something of interest?

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