title: Why behavior change is hard--and why you should keep trying.  Successful change comes only in stages.  How long it takes is an individual matter.
mesh_terms: D032763:Behavior Control / Q000379:methods*; D005260:Female; D006040:Goals; D015438:Health Behavior; D007722:Health Knowledge, Attitudes, Practice; D006293:Health Promotion / Q000379:methods*; D006304:Health Status; D006801:Humans; D009042:Motivation; D020377:Self Efficacy