Managed Care - February 2008 - (Page 56) herence behaviors and improvement strategies. CONCLUSION Past research has already demonstrated on a smaller scale the extent of medication adherence problems. The causes of medication nonadherence have been delineated and some strategies for improving medication adherence have been implemented in small target populations. Adherence problems stem from both patient and provider behaviors and require that both are invested in making improvements. This study demonstrates that the problems seen in other disease- and site-specific research studies are similar across conditions and across the country. While targeted activities to improve adherence have proven successful, a more widespread approach with a variety of key stakeholders may be necessary to truly change adherence behaviors. REFERENCES The Boston Consulting Group and Harris Interactive. The hidden epidemic: finding a cure for unfilled prescriptions and missed doses. 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