Scientists find key blood trait in people who live past 100

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Scientists find key blood trait in people who live past 100
The difference between 80 and 100 might come down to what’s happening in your bloodstream, scientists find ©Image Credit: Unsplash / Age Cymru

Living to 100 might come down to your blood acting younger than you are. We’ve all heard the basics: eat well, move your body, maybe get lucky with genetics.

But scientists just found something way more specific. 

The blood of some people who make it to 100 basically did not get the memo that they are aging. 

What did scientists actually find?

Researchers from the University of Geneva and University of Lausanne analyzed hundreds of blood proteins across different age groups. And instead of looking at one or two markers, they tracked 724 different proteins. Basically, a full system check.

Per their findings, the people who hit 100 weren’t just aging slower. They were aging differently, like at a molecular level.

You’d expect older people to have more antioxidant proteins (the stuff that fights damage in your body). But centenarians actually had less.

According to Karl-Heinz Krause, that’s because they simply don’t need as much protection, so their bodies aren’t under as much stress in the first place. That’s like having fewer security guards because nothing suspicious is happening.

Scientists also found that centenarians had 37 proteins that behaved like they belonged to much younger people. These are proteins tied to tissue strength, heart health, inflammation, and metabolism.

The proteins that keep these older people’s tissues strong (part of the extracellular matrix) provide better structural support, less physical breakdown, and more 'youthful' internal scaffolding.

It’s like their body’s infrastructure never really degraded.

The metabolism also tells a story

Another big clue lies in how their bodies handle energy. Proteins linked to fat metabolism (the ones that usually spike as we age) stayed relatively stable in centenarians. 

Even something called DPP-4 behaved differently, helping regulate insulin more smoothly.

Basically, their bodies avoided the usual “slow metabolic chaos” that comes with aging and processed energy more smoothly without going into overdrive.

Sorry, there is no cheat code

People are obsessed with longevity right now. Cold plunges, supplements, glucose trackers, all of it. But before you go searching for a “centenarian supplement,” this is not just genetics doing all the work.

The researchers advised moving your body, avoiding excess body weight, and keeping your system under less stress.

These habits help keep your internal systems, including that extracellular matrix thing that holds your tissues together, functioning like they are younger than they are.

Source: New York Post