Linked from
The 47 pages that link to Serotonin, each with the reason it gives.
Serotonin syndromeNarrower topic: Excessive signaling by this neurotransmitter drives the syndrome.
OndansetronNarrower topic: Serotonin released in the gut activates the receptors ondansetron blocks.
LSDNarrower topic: LSD resembles serotonin and acts on several of its receptor types.
BuspironeNarrower topic: Buspirone alters signaling through a receptor for this neurotransmitter.