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Orexin (/ ɒ ˈ r ɛ k s ɪ n /), also known as hypocretin, is a neuropeptide that regulates arousal, wakefulness, and appetite. [5] It exists in the forms of orexin-A and orexin-B.The most common form of narcolepsy, type 1, in which the individual experiences brief losses of muscle tone ("drop attacks" or cataplexy), is caused by a lack of orexin in the brain due to destruction of the cells ...
Orexin antagonist. An orexin receptor antagonist, or orexin antagonist, is a drug that inhibits the effect of orexin by acting as a receptor antagonist of one (selective orexin receptor antagonist or SORA) or both (dual orexin receptor antagonis or DORA) of the orexin receptors, OX 1 and OX 2. [1] Medical applications include treatment of sleep ...
Lisa Russ Spaar. Lisa Russ Spaar is a contemporary American poet, professor, and essayist. She is currently a professor of English and Creative Writing at the University of Virginia and the director of the Area Program in Poetry Writing. [1] She is the author of numerous books of poetry, most recently Vanitas, Rough: Poems and Satin Cash: Poems.
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Orthorexia nervosa. Orthorexia nervosa (/ ˌɔːrθəˈrɛksiə nərˈvoʊsə /; ON; also known as orthorexia) is a proposed eating disorder characterized by an excessive preoccupation with eating healthy food. [1][2][3] The term was introduced in 1997 by American physician Steven Bratman, who suggested that some people's dietary restrictions ...
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Revenue (2016) $3,935,171. Expenses (2016) $3,619,563 [3] Employees (2023) 12 [4] Website. www.nationaleatingdisorders.org. The National Eating Disorders Association (NEDA) is an American non-profit organization devoted to preventing eating disorders, providing treatment referrals, and increasing the education and understanding of eating disorders.
Orexins are highly excitatory neuropeptides that were first discovered in the brains of rats. It is a peptide that is produced by a very small population of cells in the lateral and posterior hypothalamus. Orexins strongly excite various brain nuclei (neurons) to affect an organism's wakefulness by affecting their dopamine, norepinephrine ...