A serotonin can be selective.Logical formLearned from401 sentences. Levels can be constituted-of-or-filled-with serotonin.Logical formLearned from400 sentences. (Serotonin reuptake inhibitors) can be selective.Logical formLearned from398 sentences. A (serotonin reuptake inhibitor) can be selective.Logical formLearned from127 sentences. Serotonin may undergo a production.Logical formLearned from79 sentences. (Serotonin levels) can be in a brain.Logical formLearned from51 sentences. (Serotonin levels) may pertain-to a person.Logical formLearned from47 sentences. Levels may pertain-to a (brain chemical serotonin).Logical formLearned from47 sentences. Serotonin may play a role.Logical formLearned from40 sentences. A serotonin may pertain-to a person.Logical formLearned from39 sentences. Levels may pertain-to a (neurotransmitter serotonin).Logical formLearned from26 sentences. A precursor can be to serotonin.Logical formLearned from25 sentences. A body may convert into serotonin.Logical formLearned from25 sentences. Serotonin can be in a brain.Logical formLearned from25 sentences. (Brain levels) can be constituted-of-or-filled-with serotonin.Logical formLearned from24 sentences.