In fact, orexin is assumed to advertise feeding principally by marketing arousal. Mutations in orexin receptors are responsible for narcolepsy in the canine product, knockout in the orexin gene provides narcolepsy in mice, and humans with narcolepsy have lower or absent amounts of orexin peptides in cerebrospinal fluid (Chapter thirteen). https://dickw494ewp1.wannawiki.com/user