I-Instant 65% isephulelo sokuthenga kwakho kokuqala
Lapho i-SCN isithole imininingwane mayelana nokukhanya kwangaphandle ngama-ipRGCs, ingakhombisa inqubo yokufihla i-melatonin ku-pineal gland.Le nqubo, esungula isigqi somjikelezo wamahora angama-24 wansuku zonke, yaziwa njengokungena kwe-circadian.I-SCN nayo ebandakanyeka ngqo kumthethonqubo wokushisa ubuthongo kanye nokukhululwa kwe-cortisol.
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