Retirement is usually pictured as a clean break, decades of work, then a full stop. Two studies looking at what actually happens to people’s health around that transition suggest the clean break itself might be the problem, and that easing out rather than stopping cold carries real, measurable benefits.
The clearest evidence comes from a 2016 study by Chenkai Wu, Michelle Odden, Gwenith Fisher, and Robert Stawski, published in the Journal of Epidemiology and Community Health. Using data from the Health and Retirement Study, the researchers tracked 2,956 American adults who were working in 1992 and had fully retired by 2010. Among people who described themselves as healthy at the time, each additional year they worked before retiring was linked to an 11 percent lower risk of dying over the following years, even after accounting for other demographic, lifestyle, and health factors. What stood out was that this pattern held even among people who described their own health as poor going in, their risk of death was still lower the longer they’d worked, suggesting the benefit wasn’t simply that healthier people both worked longer and lived longer, something about the continued work itself appeared to matter.
A second study helps show what a middle path between full-time work and full retirement can offer. In a 2009 study by Yujie Zhan, Mo Wang, Songqi Liu, and Kenneth Shultz, published in the Journal of Occupational Health Psychology, the researchers followed 12,189 retirees drawn from the Health and Retirement Study, comparing those who took on part-time, temporary, or self-employed “bridge jobs” after leaving their careers against those who stopped working entirely. The bridge-job group had significantly fewer major diseases than those who retired fully, and they scored measurably better on everyday functional-limitation measures too. There was an important nuance: retirees whose bridge work stayed in their original career field reported meaningfully better mental health than those who retired fully, but retirees who took bridge jobs in an unrelated field didn’t see that same mental-health boost, suggesting it wasn’t just staying busy that mattered, but staying connected to the kind of work someone actually knew and identified with.
Together, these two studies build a case for working a little longer that goes beyond financial planning. Wu and colleagues’ research shows that delaying full retirement, even by a single year, tracks with a real reduction in mortality risk, a benefit that shows up regardless of how healthy someone felt going in. Zhan and colleagues’ research shows a practical version of that same idea, easing into retirement through part-time or flexible work in a familiar field, rather than stopping all at once, appears to protect both physical health and mental wellbeing. Between the two, the traditional full stop looks less like the safe, well-earned choice it’s often framed as, and more like one option among several, with a genuine cost attached.
It’s worth being honest about what these two studies don’t establish. Wu and colleagues’ research is observational, and while it controlled for many factors, it can’t fully rule out that people who choose to work longer differ in other unmeasured ways from those who don’t. Zhan and colleagues’ research relied on retirees’ self-reported health and disease counts rather than clinical diagnoses, and the benefits of bridge employment may also depend on whether that work is genuinely chosen rather than financially forced.
Within those honest limits, the research offers a genuinely useful reframe for anyone approaching retirement age. The choice isn’t only between working full-time and stopping altogether. Staying engaged a little longer, especially in familiar work, on a schedule that fits, looks like it does real work of its own, for both the body and the mind.