title: A new crisis in Japan-social isolation in old age.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Murayama
authors.forename: Yu
authors.initials: Y
authors.lastname: Shibui
authors.forename: Yoshiharu
authors.initials: Y
authors.lastname: Fukuda
authors.forename: Sachiyo
authors.initials: S
authors.lastname: Murashima
mesh_terms: D000367:Age Factors; D000368:Aged; D003072:Cognition Disorders / Q000453:epidemiology / Q000209:etiology / Q000523:psychology; D005260:Female; D006801:Humans; D015994:Incidence; D007564:Japan / Q000453:epidemiology; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology / Q000209:etiology / Q000523:psychology; D012934:Social Isolation / Q000523:psychology*