Nov. 22, 2016 5:54 p.m. ET. The Obama administration considers North Korea to be the top national security priority for the incoming administration, a view it has conveyed to President-elect Donald Trumpâs transition team, according to people familiar with the conversations.
Narcolepsy with cataplexy is caused by the loss of a chemical in the brain called hypocretin. Hypocretin acts on the alerting systems in the brain, keeping us awake and regulating sleep wake cycles.
The exact cause of narcolepsy is unknown with potentially several causes. In up to 10% of cases there is a family history of the disorder. Often those affected have low levels of the neuropeptide orexin which may be due to an autoimmune disorder.