It may sound like the starting point of a science fiction film.
But believe it or not, we and French scientists claim to have discovered a game-changing test that could help predict the lifespan.
Intrinsic capacity (IC) – all physical and mental capacities on which a person can draw, including their ability to walk, think, to see, hear and remember – has long been considered a good marker for healthy aging.
But so far the measurement of IC was considered an expensive and time -consuming assessment of physical health.
Nevertheless, the researchers say that a simple saliva or blood test can measure IC through DNA methylation patterns – chemical tags that regulate gene activity in the body – can measure to estimate the biological age of a person.
In a study of 10 years, following more than 1,000 adults between 20 and 102 years old, they developed IC scores for each on the basis of five age-related risk factors cognition, movement, vision and hearing, vitality and mental well-being.
They found it With high IC scores lived on average 5.5 years longer.
People with the highest IC scores had better lung function, faster walking speed, stronger bones and were more likely to consider themselves healthy.
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A low IC was also significantly associated with an increased risk of death due to age-related diseases, such as cardiovascular diseases and strokes.
Professor Thomas Holland, from the Rush Institute for Healthy Aging, which was not involved in the study, said: “A blood -based test for intrinsic capacity is a promising tool in aging science.”
‘One of the most critical aspects is that this test can be performed with a simple blood or saliva sample, making it accessible and not – invasive.
He told too Medical news today: ‘It not only tells us how old you are, but how good your aging, what is much more meaningful to help inquire which interventions, if present, should help prevent future health problems.
“This test not only gives a snapshot of your current state, it can also provide a look in your future health.”
The researchers also looked at the relationship between food and biological aging and discovered that those who ate oily fish such as salmon and mackerel, and their sugar intake had higher IC scores.
Writing in the diary Natural agingThey said: ‘We discovered that individuals with a higher IC consumed more beer and dark meat, fish such as mackerel, salmon, sardines, bluefish and swordfish, But fewer calcium supplements.
“Consuming sugar at the recommended level was also associated with a higher IC.”
Researchers discovered that eating a diet with many oily fish and Omega-3 could help return to the clock
Dr. Tunç Tiryaki, a board-certified plastic surgeon and founder of the London Regenerative Institute, which was not involved in the research, said: ‘Oile fish are rich in omega-3 fatty acids with long chains, which have anti-inflammatory and neuroprotective properties.
‘Conversely, it is known that excessive sugar intake accelerates oxidative stress, insulin resistance and chronic inflammation, all of which affect IC.
“Within recommended sugar limits, the metabolic flexibility probably support and reduces inflammatory burden, the preservation of cognitive and physical function.”
Dr. Tiryaki also ordered regular exercise, including aerobic activity and strength training, to keep the body young.
He also emphasized the importance of maintaining social connections and stimulating the brain to ward off age -related diseases.
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