Depression (a recurring, genetic illness, more common in females).
D000293:Adolescent; D000328:Adult; D002908:Chronic Disease; D003863:Depression / Q000453:epidemiology / Q000235:genetics* / Q000628:therapy; D004565:Electroconvulsive Therapy; D005260:Female; D006801:Humans; D008297:Male; D008404:Massachusetts; D008875:Middle Aged; D012737:Sex Factors