PT - JOURNAL ARTICLE AU - Fletcher, Gerald AU - Trejo, Jorge F. TI - Why and how to prescribe exercise: Overcoming the barriers DP - 2005 Aug 01 TA - Cleveland Clinic Journal of Medicine PG - 645--656 VI - 72 IP - 8 4099 - http://www.ccjm.org/content/72/8/645.short 4100 - http://www.ccjm.org/content/72/8/645.full SO - Cleve Clin J Med2005 Aug 01; 72 AB - Exercise helps prevent and improve atherosclerosis and other chronic diseases, and physicians should encourage their patients to exercise more. Unfortunately, there are many barriers to prescribing exercise. To help patients start exercising and stay with it, clinicians need to address specifics. Several guidelines are available to achieve this goal.