title: Nutritional precursors and the treatment of depression.
mesh_terms: D001921:Brain / Q000378:metabolism*; D003863:Depression / Q000178:diet therapy* / Q000378:metabolism; D006801:Humans; D009638:Norepinephrine / Q000378:metabolism; D012701:Serotonin / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism; D014443:Tyrosine / Q000378:metabolism
chemical_list: D012701:Serotonin; D014443:Tyrosine; D014364:Tryptophan; D009638:Norepinephrine