title: Physical activity promotion: a natural selection?
authors.affiliation: Clinical Psychology Department, McQueen Home, Ards Hospital, Newtownards BT23 4AS, UK. rodger_g_graham@yahoo.co.uk
authors.forename: R
authors.initials: R
authors.lastname: Graham
mesh_terms: D005075:Biological Evolution; D015438:Health Behavior; D006293:Health Promotion; D006801:Humans; D011582:Psychological Theory; D012919:Social Behavior