title: [Problems in the definition of biologic aging--methodologic and method positions].
abstract: The author presents the actual cognitive-theoretical and methodological positions for the assessment of the biological age, reviewing the most essential contents and usual definitions of this term. She points, furthermore, to the methodical and interpretational conclusions (selection and evaluation of age-indicators) resulting from the actual theoretical level of knowledge for corresponding diagnostical procedures.
mesh_terms: D000222:Adaptation, Physiological; D000368:Aged; D000375:Aging; D006801:Humans; D008017:Life Expectancy; D008136:Longevity; D012106:Research
vernacular_title: Zu Definitionsfragen des biologischen Alters--methodologische und methodische Positionen.