title: [What is aging?].
authors.affiliation: Fundación Bengoa, Caracas, Venezuela.
authors.forename: José María
authors.initials: JM
authors.lastname: Bengoa
mesh_terms: D000367:Age Factors; D000375:Aging / Q000502:physiology*; D002423:Cause of Death; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors