title: Physiology's impact: discovering life.
authors: Gary C
authors: GC
authors: Sieck
authors: Carlos
authors: C
authors: Mantilla
authors: Jill
authors: J
authors: Barnes
authors: Michael
authors: M
authors: Joyner
mesh_terms: D000818:Animals; D001683:Biological Clocks / Q000502:physiology*; D002940:Circadian Rhythm; D003140:Communicable Disease Control / Q000379:methods*; D015444:Exercise; D006304:Health Status; D006801:Humans; D010809:Physical Fitness; D040242:Risk Reduction Behavior; D012621:Seasons; D057185:Sedentary Behavior