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Bed-wetting gene

Scientists have identified a specific gene responsible for primary nocturnal enuresis, or nighttime bed-wetting, according to researchers at the Danish Centre for Genome Research in Copenhagen, Denmark.

The hereditary condition has been linked to a genetic marker near chromosome 13, researchers reported. Scientists studied 400 families over two to three generations, and found the genetic marker in 90 percent of families with bed-wetting histories. Past research has shown that children have a 68 percent chance of bed-wetting if both parents had the condition, and a 44 percent chance if one parent has a bed-wetting history.