Assertion: serotonin's role | /r/HasProperty | key
Facets:
Source sentences:
text: Serotonin Serotonin, the neurotransmitter involved in sleep, sensory experiences, and sense of well-being, may also play a key role in addiction.
text: Serotonin has been shown to have a key role in neurogenesis in the hippocampus so the two may be intertwined:
text: In addition to being involved with determining our happiness levels and affecting our mood, serotonin is found in large quantities in the intestines and is also plays a key role in digestion and in reducing appetite .
text: In a new study, Nils Paumann, Diego Walther, and colleagues show that serotonin plays a key role in controlling insulin secretion and that its absence leads to diabetes.