Children of Centenarians Live Longer — 42% Lower Death Risk, But Cancer Is the Exception

If someone in your family lived past 100, you may have won a genetic head start. But a landmark study of over 5,000 people also draws a clear line at what those “longevity genes” cannot do.

1.What the study did

Whether exceptional longevity can be inherited is one of the most intriguing questions in aging research. On August 26, 2026, a study published in JAMA Network Open delivered one of the strongest answers to date.

Led by Albert Einstein College of Medicine, with Boston University and Tufts University School of Medicine, the team did not recruit new volunteers. Instead, they pooled three long-running, geographically distinct cohorts:

• LonGenity (New York, following Ashkenazi Jewish families);
• New England Centenarian Study (NECS) (Boston University, nationwide);
• UK Biobank (a major cohort of roughly half a million middle-aged adults).

Combined, the researchers compared 2,319 children of centenarians against 2,703 controls. Some controls had parents who died before age 85; others were spouses of the centenarians' offspring — a crucial design choice, because using spouses helps separate genetics from a shared diet and environment. Follow-up spanned 16 to 29 years.

2.Three core numbers, and what they mean

Across all three cohorts, the results were remarkably consistent — which is not always the case in multi-cohort work.

Converted into time, these percentages become more concrete: centenarians' offspring died about 3 years later on average, and developed hypertension about 5 years later. In other words, at any given age, their bodies often looked "biologically younger" than their peers.

3.The key finding: it's genetics, not just lifestyle

A "centenarians' children are healthier" result alone is not enough. What excited the researchers was the next step: the protective effect barely shrank after accounting for every lifestyle factor they could measure.

Smoking, alcohol, exercise, diet, education, socioeconomic status — when all of these were folded into the models, the advantage of centenarians' offspring held steady. That suggests the benefit is driven substantially by genetics and biology, not simply by living more virtuously than everyone else.

"Notably, the overall consistency of these results across distinct studies." — first author Eric Reed, PhD, Albert Einstein College of Medicine

Senior author Professor Sofiya Milman framed it as the researchers' true ambition: studying longevity families is "a unique window" into the biology of healthy aging. If specific protective mechanisms can be isolated from these families, it may one day be possible to develop ways to mimic them — extending the benefits to people who did not inherit the right variants.

4.The exception: cancer and stroke

If you have concluded that “longevity genes” make you invincible, slow down. This study draws a very specific boundary.

The takeaway: "longevity inheritance" is not about never getting sick. It targets the pace of aging along the vascular–metabolic axis. It is not immunity from cancer.

5.Three practical takeaways

① Family longevity is a free "risk map"

How long your parents lived is a health signal that costs nothing. The reverse is equally useful: if a parent died young from cardiovascular disease, your blood-pressure and lipid management deserve earlier, more aggressive attention than generic guidelines suggest — far cheaper than waiting for a metric to cross a threshold.

② Lifestyle is still your biggest lever

The researchers themselves stressed one point: genetic advantage is layered on top of lifestyle, not a substitute for it. Diet, exercise, not smoking, and weight control remain the things most people can actually hold. Don't conclude that "no longevity genes means no point trying" — quite the opposite: it means you should optimize the parts you control.

③ No one gets to skip cancer screening

The study's "zero cancer protection" finding has one direct implication: having long-lived relatives is not a reason to relax cancer screening. Low vascular risk does not mean low tumor risk. These are two separate lines to manage.

6.Don't ignore the limitations

To be fair, this is an observational study: it shows association, not causation. Some health information was self-reported, and the study population was predominantly white, so findings may not transfer identically to every group. Treat it as an important piece of evidence about the genetics of longevity — not a verdict on your fate.