title: Smile intensity in photographs predicts longevity.
authors.affiliation: Center for Human Growth and Development, Wayne State University, Detroit, MI 48201, USA. eabel@wayne.edu
authors.forename: Ernest L
authors.initials: EL
authors.lastname: Abel
authors.forename: Michael L
authors.initials: ML
authors.lastname: Kruger
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D054874:Athletic Performance; D001484:Baseball / Q000523:psychology; D015992:Body Mass Index; D005149:Facial Expression; D006801:Humans; D008136:Longevity; D008297:Male; D008875:Middle Aged; D010781:Photography; D010809:Physical Fitness; D016016:Proportional Hazards Models; D012904:Smiling / Q000523:psychology*; D013694:Temperament