title: Hardiness and health: a prospective study.
mesh_terms: D000223:Adaptation, Psychological; D000328:Adult; D000368:Aged; D006801:Humans; D008016:Life Change Events; D008297:Male; D008875:Middle Aged; D010551:Personality; D011446:Prospective Studies; D011602:Psychophysiologic Disorders / Q000523:psychology*