Cardiovascular Diseases/prevention & control; National Health Programs; Practice Patterns, Physicians'; Preventive Health Services; Public Health; Antihypertensive Agents/therapeutic use; Aspirin/therapeutic use; Cardiovascular Diseases/diagnosis; Cardiovascular Diseases/epidemiology; Cardiovascular Diseases/mortality; Clinical Competence; Endpoint Determination; Evidence-Based Medicine; Health Policy; Health Promotion; Humans; Hypolipidemic Agents/therapeutic use; Incidence; National Health Programs/legislation & jurisprudence; Platelet Aggregation Inhibitors/therapeutic use; Preventive Health Services/legislation & jurisprudence; Prognosis; Program Development; Public Health/legislation & jurisprudence; Risk Assessment; Risk Factors; Risk Reduction Behavior; Smoking Cessation; United States; Weight Loss