| Attention-deficit/hyperactive disorder (ADHD) and narcolepsy may share genetic links, according to an analysis of polygenic risk scores published online in the journal Translational Psychiatry. “We found that the genetic risk for narcolepsy has a significant association with ADHD traits using data from the general population,” researchers wrote. “Specifically, both hyperactivity and inattention traits were significantly associated with narcolepsy polygenic risk scores, suggesting that these disorders have a close genetic association.” Investigators calculated polygenic risk scores for individuals using data from a previously collected genome-wide association study of narcolepsy and essential hypersomnia. They looked for a possible genetic link between ADHD and narcolepsy traits in 876 mothers and children from the Japanese Hamamatsu Birth Cohort. |
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