title: Extraordinary litmus tests.
authors.forename: Robert H
authors.initials: RH
authors.lastname: Binstock
authors.forename: Eric T
authors.initials: ET
authors.lastname: Juengst
authors.forename: Maxwell J
authors.initials: MJ
authors.lastname: Mehlman
authors.forename: Stephen G
authors.initials: SG
authors.lastname: Post
mesh_terms: D000375:Aging / Q000502:physiology*; D005853:Geriatrics; D006801:Humans; D008136:Longevity; D011315:Preventive Medicine; D012924:Social Conditions