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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 ...
Narcolepsy is a chronic neurological disorder that impairs the ability to regulate sleep–wake cycles, and specifically impacts REM (rapid eye movement) sleep. [1] The pentad symptoms of narcolepsy include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS), and cataplexy. [1]
One well-known example of this was the reaction of 1968 Olympic long jump medalist Bob Beamon on learning that he had broken the previous world record by over 0.5 meters (almost 2 feet). [ 10 ] [ additional citation(s) needed ] [ medical citation needed ] Cataplectic attacks may occasionally occur spontaneously, with no identifiable emotional ...
Minoxidil is an over-the-counter (OTC) hair loss medication. Experts believe it can stimulate the hair growth cycle by moving your hair follicles into active growth and promoting blood flow to ...
1) Touch your taint. If you haven’t already been introduced, meet your taint—or your perineum, if we’re getting technical.It’s the strip of skin between your balls and your butt, and it ...
One study found that men with moderate-to-high levels of exhaustion had a 2.7-fold increased risk of heart attack within five years and a 2.25 higher risk within ten years. The study also found a ...
Both orexin receptors exhibit a similar pharmacology – the 2 orexin peptides, orexin-A and orexin-B, bind to both receptors and, in each case, agonist binding results in an increase in intracellular calcium levels. However, orexin-B shows a 5- to 10-fold selectivity for orexin receptor type 2, whilst orexin-A is equipotent at both receptors.
The following is a list of hormones found in Homo sapiens.Spelling is not uniform for many hormones. For example, current North American and international usage uses [citation needed] estrogen and gonadotropin, while British usage retains the Greek digraph in oestrogen and favours the earlier spelling gonadotrophin.