A range of effects of manipulatting (serotonin levels) may be understood.
A medicine may enhance an action of a (brain chemical serotonin).
A study may find an increase with a use of (serotonin reuptake inhibitors).
A (serotonin receptor) can be critical to (cognitive function).
A way can be for a development of (serotonin reuptake inhibitors).
Antidepressants may increase an availability of a (chemical serotonin).