Moral issues about dating second cousins
317 The National Evolutionary Synthesis Center (NESCent) is a nonprofit science center dedicated to cross-disciplinary research in evolution.Funded by the National Science Foundation, NESCent is jointly operated by Duke University, The University of North Carolina at Chapel Hill, and North Carolina State University.Studies of cousin marriages worldwide suggest that the risks of illness and early death are three to four percent higher than in the rest of the population.But the risks apply primarily to couples who are carriers of disorders that are normally very, very rare, Bittles explained."For over 90% of cousin marriages, their risk [of having a child with a genetic abnormality] is the same as it is for the general population," he said.
by contributing institutions or for the use of any information through the Eurek Alert system.Marriage between cousins is taboo in much of the Western world.In the United States, 31 of 50 states outlaw marriage between first cousins, or allow it only under certain circumstances.Charles Darwin and his wife Emma were first cousins. Cultures where cousin marriage is common point to its social and economic benefits, such as strengthening family ties and keeping wealth in the family.Opponents argue that first cousin marriage increases the risk of passing on genetic abnormalities.
Durham, NC -- The health risks of marrying a cousin have been grossly overstated, says a new book.