Cardiovascular Health: A 25-Year Study Highlights the Power of Cumulative Lifestyle Scores
"Routine incorporation of LE8 scoring in a clinical setting... would afford clinicians an important opportunity to guide their patients to improve their scores on all LE8 components and contribute to an overall healthier population."
– Co-author Vanessa Xanthakis, PhD
The Big Picture
A new study leveraging data from the Framingham Heart Study reveals that maintaining a high Life's Essential 8 (LE8) score over decades dramatically lowers the risk of cardiovascular disease (CVD). Published in the Journal of the American College of Cardiology-Advances, the research emphasizes that the cumulative burden of poor heart health matters just as much as your current status.
The average LE8 score across all participants over the 25-year period was 65.
Key Findings at a Glance
- Massive Risk Reduction: Participants in the highest quartile (best cumulative heart health) had a 73% lower risk of developing CVD compared to those in the lowest quartile.
- Cumulative Exposure Matters: The study calculated the "area under the curve" for LE8 scores over 25 years. A higher cumulative score was consistently linked to lower risk for all disease outcomes.
- Your Current Score Counts Too: A higher LE8 score at the final examination (year 25) independently predicted lower future disease risk, regardless of whether a person's score had risen or fallen in the past.
The "Now" vs. "Then" Dynamic
The research followed 3,231 participants across five examination cycles from 1971 to 1995.
"Regardless of whether a participant improved their CVH score during the 25 year period, if two participants have similar cumulative CVH scores during that period, the person with the higher LE8 score at the time when we start to evaluate future risk of disease will be at lower risk... highlighting the importance of adopting a healthy lifestyle in early adulthood."
– Corresponding author Donald Lloyd-Jones, MD
This suggests a dual strategy for success:
- Build a strong foundation of healthy habits early in life.
- Optimize your current score—it is never too late to improve your trajectory.
What is Life's Essential 8 (LE8)?
The American Heart Association's LE8 score quantifies cardiovascular health (CVH) on a scale from 0 to 100 based on eight modifiable factors:
- Body Mass Index
- Cholesterol
- Blood Pressure
- Blood Glucose
- Physical Activity
- Diet
- Smoking Status
- Sleep Health
Why Cumulative Scores Matter
Rather than relying on a single "snapshot" of health, researchers calculated the cumulative LE8 score by measuring the area under the curve for each participant's scores over time. This provides a more accurate picture of the long-term burden of poor health habits.
Study Details
- Data Source: Framingham Heart Study (1971-1995)
- Support: The study was partially funded by contract 75N92025D00012 from the National Heart, Lung, and Blood Institute.
- Publication: Journal of the American College of Cardiology-Advances (Online)