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.
1 Narcolepsy may be caused by the loss of a relatively few neurons that are responsible for producing the neuropeptide hypocretin in the CNS. 2  Possibly, immunological mechanisms may lead to loss of hypocretin. 3  Narcolepsy is associated with a specific HLA allele, DQB1*0602.