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Landmark 90/100

The Framingham Heart Study and the epidemiology of cardiovascular disease

In plain English

Begun in 1948 in a single Massachusetts town and now spanning three generations and more than 14,000 participants, Framingham is the cohort that gave medicine the very phrase 'risk factor'. By tracking healthy people for decades it identified high cholesterol, high blood pressure, smoking, obesity and diabetes as drivers of heart disease — the framework on which all later diet-heart research, including this library, is built.

Why it matters

Framingham established cholesterol, blood pressure, smoking and obesity as cardiovascular 'risk factors'.

Informs: Heart Disease

Provenance

Design
Prospective cohort
Sample size (n)
14,000
Follow-up
65 years
Peer-reviewed
Yes
Replications
3
Funding
Public / academic
Funders
US National Heart, Lung, and Blood Institute (NHLBI)
Institutions
Boston University, US National Heart, Lung, and Blood Institute (NHLBI)

decades.plus score

A transparent 0–100 weighted sum across six components. Higher scores reflect bigger, cleaner, more replicated work.

Landmark 90/100
  • Study design 20/25
  • Sample size 15/20
  • Funding independence 20/20
  • Journal + peer review 15/15
  • Institution tier 10/10
  • Replication 10/10

Caveats

Its core contribution is the risk-factor concept rather than any single dietary trial; the early cohorts were almost entirely white residents of one town, limiting generalisability. Diet's role is inferred largely through intermediate factors like cholesterol and body weight.