Gazel -

: Participants span a wide range of socioeconomic statuses, from manual laborers and clerks to high-level managers.

The GAZEL cohort was launched with a target population of nearly 45,000 employees. At its inception, aged 35–50 gave their consent to participate.

For over three decades, this study has provided a "general-purpose epidemiological laboratory" for scientists to explore the complex intersections of work, lifestyle, aging, and health. 🏗️ Origins and Scope of the Study : Participants span a wide range of socioeconomic

Because the GAZEL study is "open-ended," it has allowed researchers to investigate hundreds of different health outcomes. Some of the most impactful findings include: 🛌 Retirement and Wellbeing

: The study has seen remarkably low attrition, with less than 1% of members lost to follow-up over several decades. 🔬 Key Research Discoveries For over three decades, this study has provided

The GAZEL cohort study, established in 1989, is one of the world's most significant and enduring epidemiological research projects. Derived from the French national gas and electricity company, , the name "GAZEL" is a portmanteau of Gaz and ELectricité .

: Cohort members typically hold "civil-servant-like" status, providing them with job security and stable pensions, which helps isolate the effects of work-life factors from the stress of unemployment. 🔬 Key Research Discoveries The GAZEL cohort study,

One of the most famous results from the GAZEL cohort is the "retirement effect." Research shows that transitioning into retirement is associated with a , equivalent to an 8–10 year gain in perceived vitality.