title: [Why is sport in the modern industrial society necessary for mental hygiene?].
mesh_terms: D006801:Humans; D008603:Mental Health; D005082:Physical Exertion; D011574:Psychoanalytic Theory; D011590:Psychology, Industrial; D013177:Sports
vernacular_title: Warum ist der Sport in der modernen Industriegesellschaft psychohygienisch notwendig