More nuanced view of brainstem neurons could lead to better drugs for depression, anxiety. Low levels of serotonin in the brain are known to play a role in depression and anxiety, and it is customary to treat these disorders with medications that increase the amount of this neurotransmitter. However, a new study suggests that this approach may be too simple. It appears that neighboring serotonin-producing brainstem regions exert different and sometimes opposing effects on behavior.
“Our study breaks with the simplistic view that ‘more is good and less is bad,’ when it comes to serotonin for mo...
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