Medications may increase serotonin.Logical formLearned from2 sentences. Research can be on serotonin.Logical formLearned from2 sentences. Levels of a (neurotransmitter serotonin) may play a role.Logical formLearned from2 sentences. Deficits can be in serotonin.Logical formLearned from2 sentences. Dexfenfluramine may inhibit a reuptake of serotonin.Logical formLearned from2 sentences. (Serotonin levels) may decrease.Logical formLearned from2 sentences. Second can be (serotonin deficiency).Logical formLearned from2 sentences. A (blood test) can be for serotonin.Logical formLearned from2 sentences. A level of serotonin can be low.Logical formLearned from2 sentences. Overproduction can be by cells of serotonin.Logical formLearned from2 sentences. Cells can be constituted-of-or-filled-with serotonin.Logical formLearned from2 sentences. Some patients can be with levels of serotonin.Logical formLearned from2 sentences. An (uptake mechanism) may result in poolings of serotonin.Logical formLearned from2 sentences. Some (excess serotonin) may cause receptors.Logical formLearned from2 sentences. Serotonin may be stored in vesicles.Logical formLearned from2 sentences.