Boston University School of Medicine Apr 28 2026 The American Heart Association's Life's Essential 8 (LE8) score is a health tool, ranging from 0 to 100, that quantifies cardiovascular health (CVH) using information from eight lifestyle and risk factors, (body mass index, cholesterol, blood pressure, blood glucose, physical activity, diet, smoking, and sleep. It is well reported that maintaining a healthy heart helps to avoid developing heart disease and other disease outcomes, but most studies