Adults with at least one parent who lived to 100 had a 42% lower risk of dying at any given age than people whose parents died younger, and they died about 3 years later on average, according to a study published August 3, 2026 in JAMA Network Open. The advantage held up after the researchers accounted for smoking, alcohol, exercise, diet, education, and socioeconomic status, which points to something inherited rather than something earned.
Key takeaways
- Children of centenarians had a 42% lower risk of death (hazard ratio 0.58), a 33% lower risk of cardiovascular disease (0.67), and a 32% lower risk of high blood pressure (0.68).
- High blood pressure showed up about 5 years later and death came about 3 years later.
- There was no protection against cancer, which makes this look like a heart and blood vessel advantage, not a general one.
What the study found
The paper, titled “Exceptional Parental Longevity and Onset of Morbidity and Mortality Across Cohorts,” was led by researchers at Albert Einstein College of Medicine, Boston University, and Tufts Medical Center. They pooled three long-running studies: LonGenity in the New York City area (2008 to 2024), the New England Centenarian Study across the US (1995 to 2024), and the UK Biobank (2006 to 2022).
Across the three cohorts, 4,030 people were analyzed: 480 in LonGenity, 1,566 in the New England study, and 1,984 in the UK Biobank. Of those, 2,319 were children of a centenarian, and the rest were offspring of parents with shorter lifespans.
Combining the cohorts, the researchers reported a 42% lower risk of death (hazard ratio 0.58, 95% CI 0.41 to 0.81), which is very likely a reduction somewhere between 19% and 59%. Cardiovascular disease risk was 33% lower (0.67, 0.46 to 0.97), a range that runs from barely any benefit to more than half. High blood pressure risk was 32% lower (0.68, 0.62 to 0.75), and that estimate is the tightest of the three, very likely between 25% and 38% lower.
Timing shifted too. Death came 3.12 years later on average (0.96 to 5.28 years) and high blood pressure arrived 5.21 years later (2.13 to 8.29 years).
Two findings did not follow the pattern. Stroke risk was lower in LonGenity and the New England study but not in the UK Biobank. And for cancer, the press release from Albert Einstein College of Medicine states plainly that “centenarians’ offspring were no less likely to develop cancer.”
Dr. Kumar’s take
The cancer result is the most informative number in the paper, and it is the one getting the least attention. If exceptional family longevity worked by slowing aging across the board, cancer risk should have moved with everything else. It did not. What moved was death, cardiovascular disease, high blood pressure, and partially stroke. That is a vascular and metabolic signature, not a vague “good genes” story, and it narrows the search considerably for anyone hunting the biology behind it.
The size of the effect on blood pressure is worth sitting with. Five extra years before hypertension starts is a large head start, and blood pressure is upstream of a great deal of what goes wrong later in life.
The limits are real. This is observational, so it can show that these outcomes travel together in families, not that a gene causes them. People who enroll in longevity studies are also a selected group, generally healthier and more engaged with medical care than average, and that selection can inflate any advantage. The confidence range on cardiovascular disease nearly touches no effect at all, so treat that particular number as suggestive rather than settled.
What it means for you
Parental age at death is free information that already sits in almost every family history, and it is rarely used to sharpen risk estimates. What this study compared was children of centenarians against children of parents with shorter lifespans, and the gap showed up in death, cardiovascular disease, and high blood pressure.
The reverse is where people get it wrong. A long-lived parent is not a hall pass. The advantage in this study was concentrated in the heart and blood vessels, and cancer risk was untouched, so screening still applies to you on the same schedule as everyone else. Lifestyle still does its own work on top of family history: small changes in sleep, exercise, and diet have been linked to 9 extra years of life, and a plant-based diet lowered heart disease risk over 20 years. Nothing in this study argues against any of that. It argues that some families start further ahead.