Assertion: serotonin's role | /r/HasProperty | major
Facets:
Source sentences:
text: Serotonin plays a major role in blood clotting.
text: It's important to remember that low cerebrospinal fluid (CSF) serotonin levels are associated with violence, , hunger, and , partly because serotonin and its metabolite melatonin play a major role in the mood, , and sleep centers.