Diverse subtypes of serotonin-producing neurons uncovered

It used to be enough to call a serotonergic neuron a serotonergic neuron. These brain cells make the neurotransmitter serotonin, which helps regulate mood, appetite, breathing rate, body temperature and more. Recently, however, scientists have begun to learn that these neurons differ from one another -- and that the differences likely matter in dysfunction and disease.

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