title: What's it all about: variation and aging.
authors.forename: Mary A
authors.initials: MA
authors.lastname: Luszcz
mesh_terms: D000375:Aging / Q000502:physiology / Q000523:psychology; D003072:Cognition Disorders / Q000209:etiology*; D014644:Genetic Variation; D006801:Humans; D007206:Individuality