Lithium.
D000818:Animals; D001921:Brain / Q000187:drug effects* / Q000378:metabolism; D008094:Lithium / Q000494:pharmacology*; D008274:Magnesium / Q000378:metabolism*; D008275:Magnesium Deficiency / Q000378:metabolism; D012701:Serotonin / Q000378:metabolism*
D012701:Serotonin; D008094:Lithium; D008274:Magnesium