Happiness: There is no one chemical that causes happiness. Serotonin is a neurotransmitter in the brain associated with depression when low.
Answered 12/23/2012
5.4k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question