title: The financial impact of health promotion and disease prevention programs--why is it so hard to prove value?
authors.forename: R Z
authors.initials: RZ
authors.lastname: Goetzel
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D017281:Cost of Illness; D003362:Cost-Benefit Analysis; D015438:Health Behavior; D006293:Health Promotion / Q000191:economics*; D006801:Humans; D011314:Preventive Health Services / Q000191:economics*; D015397:Program Evaluation; D014481:United States