Inflamed brains can trigger the blues, studies suggest.
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D016207:Cytokines / Q000378:metabolism*; D003863:Depression / Q000209:etiology*; D004660:Encephalitis / Q000150:complications* / Q000378:metabolism; D006801:Humans; D018377:Neurotransmitter Agents / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism
D016207:Cytokines; D018377:Neurotransmitter Agents; D014364:Tryptophan