Serotonin is also a neurotransmitter in the brain. Serotonin, along with Dopamine, is associated with feelings of happiness. An absence of Serotonin can cause feelings of depression.
Pendant Size: 1" x 1.25" (25 mm x 35 mm)Necklace Length: 18" (46 cm)
Also available as a special edition necklace
Also available in earrings
Also available in studs
Also available in posts
Also available in cufflinks
Also available as a ring