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Centenarians

All articles tagged with #centenarians

Tiny immune signals and daily habits: a practical path to healthier aging beyond 100
health4 days ago

Tiny immune signals and daily habits: a practical path to healthier aging beyond 100

A small Osaka University study suggests centenarians have a higher share of rare CD4 cytotoxic T lymphocytes, hinting at an immune edge in extreme aging, though the finding is preliminary. The article also outlines practical habits linked to healthier aging: regular movement, a varied nutrient-rich diet, sufficient sleep, mental stimulation, social connections, stress management, and preventive healthcare. While these steps don’t guarantee reaching 100, they can boost energy, independence, and the number of healthy years.

via The Times of India|
#aging#centenarians#health
No Secret to 100: Centenarian Research Reveals Many Tiny Advantages
science1 month ago

No Secret to 100: Centenarian Research Reveals Many Tiny Advantages

A review of 124 studies on centenarians spanning 55 years finds no single secret to living to 100; longevity emerges from a mix of genetics, DNA repair, metabolism, lifestyle, social ties, and luck, with centenarians often showing more efficient cellular aging and healthier mitochondria. However, studying only those who reach 100 makes it hard to prove causation, and researchers classify centenarians as escapers, delayers, or survivors. Practical takeaway remains: stay active, eat largely plant-based, avoid smoking, and nurture social connections.

via ScienceAlert|
#aging#centenarians#genetics
Ancient hunter-gatherer DNA linked to centenarian longevity
science4 months ago

Ancient hunter-gatherer DNA linked to centenarian longevity

An Italian study links extreme longevity to inherited DNA from Ice Age Western Hunter-Gatherers, finding centenarians more likely to carry this ancestry and reporting a 38% higher odds of centenarians with that ancestry; paleogenomics shows this pattern, but researchers caution that ancestry alone isn’t a predictor of aging and call for further biological follow-up.

via Earth.com|
#ancient-dna#centenarians#hunter-gatherers
Centenarians’ Blood Signatures Hint at Slower Aging
science4 months ago

Centenarians’ Blood Signatures Hint at Slower Aging

A Swiss study analyzing blood from centenarians (100–105) found 37 of 724 serum proteins resemble those of younger people, suggesting key aging mechanisms can slow rather than stop; centenarians show lower oxidative stress markers, more youthful extracellular-matrix proteins, and a metabolism that remains balanced, with lifestyle factors highlighted as a powerful longevity lever.

via SciTechDaily|
#aging#centenarians#longevity
Centenarian Blood Reveals a 37-Protein Blueprint for Slower Aging
science5 months ago

Centenarian Blood Reveals a 37-Protein Blueprint for Slower Aging

Swiss researchers comparing blood from ages 30–60, 80–90, and 100+ found 37 proteins (about 5% of the 700+ measured) in centenarians that resemble the young group more than octogenarians, suggesting key aging mechanisms can be slowed. These proteins affect immunity, metabolism, red blood cell recycling, extracellular matrix maintenance, and oxidative stress, aligning with inflammaging and underscoring lifestyle factors—nutrition, exercise, and social connections—as actionable ways to promote healthy aging. Published in Aging Cell.

via ScienceAlert|
#aging#centenarians#longevity
Weight and protein, not meat avoidance, influence 100-year odds for those over 80
health-and-medicine5 months ago

Weight and protein, not meat avoidance, influence 100-year odds for those over 80

A Chinese study of more than 5,000 adults aged 80 or older found that non-meat eaters were less likely to reach 100, but this only applied to participants who were underweight. Those who included modest amounts of animal-source foods such as fish, eggs, or dairy had similar odds of becoming centenarians as meat eaters, suggesting that maintaining adequate protein and key nutrients to prevent malnutrition and loss of lean mass is crucial in late life. The study is observational, so it shows associations rather than causation, and it emphasizes that nutrition needs change with age: for the very old, sustaining muscle and preventing frailty may matter more than long-term disease prevention.

via ScienceDaily|
#aging#centenarians#health-and-medicine
Ice-Age DNA Linked to Living Past 100, Italian Study Finds
science7 months ago

Ice-Age DNA Linked to Living Past 100, Italian Study Finds

Italian researchers analyzed DNA from over 1,000 individuals and found that centenarians carry more Western Hunter-Gatherer DNA, particularly the Villabruna cluster from about 14,000 years ago, which is linked to immune response and cellular repair. In a comparison of 333 centenarians and 690 younger adults, those with hunter-gatherer ancestry had about 38% higher odds of living to 100+, with the signal strongest in women. The study suggests ancient genomic patterns may influence aging and inflammaging, though environment and healthcare remain important and further lab work is needed to confirm functional effects.

via Indian Defence Review|
#centenarians#hunter-gatherer-ancestry#inflammaging