Healthy lifestyle slows down cell aging

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Younger through a healthy lifestyle

A healthy lifestyle can slow down cell aging. This was the result of a US study in which 35 men were accompanied over a period of five years. The studies showed that the so-called telomeres, which protect the genetic material during cell division and whose length is an indication of the lifespan of the cell, were significantly longer in the study participants who ate healthy food and completed a moderate exercise program every day.

Counteract cell aging with a healthy lifestyle A healthy lifestyle not only prevents certain diseases, but can also slow down the aging of cells. This is the conclusion reached by American researchers around the lead author of the Dean Ornish study from the University of California in San Francisco as part of a so far unique study in which a total of 35 men were accompanied over five years. Ten of the subjects should live particularly healthy. This included a balanced diet with lots of fruits and vegetables as well as whole foods and daily light movement exercises, yoga and coping with stress. The other 25 men served as a control group. You shouldn't change your lifestyle and eating habits.

In order to investigate evidence of the effects of lifestyle, the researchers looked at certain protein structures, so-called telomeres, which are located at the end of the chromosomes and protect the genome during cell division. The longer the telomeres are, the "younger" the cell is.

"When the data from the two groups were summarized, it was shown that compliance with lifestyle changes was significantly associated with the relative length of the telomeres," the researchers report in the specialist journal "The Lancet Oncology". In the ten participants who practiced a healthy lifestyle for five years, the telomeres were on average ten percent longer than in the control group. The participants who adhered particularly strictly to healthy lifestyle habits showed even stronger growth of the protein structures. In the control group, which did not change their lifestyle, the telomeres had shrunk by an average of three percent during the study period.

The investigations were carried out as part of a study on prostate cancer. However, the scientists write that the conclusions are not only valid for men with this disease. "Larger randomized studies now have to confirm these results," says the specialist magazine.

Omega-3 fatty acids slow down cell aging Last year, a study by Professor Janice Kiecolt-Glaser from Ohio State University and her team found that the consumption of omega-3 fatty acids slowed down the aging process of the cells in the human body. Omega-3 fatty acids are found in fish, among other things. The long-chain polyunsaturated fatty acids therefore promote the growth of telomeres, which are consumed and shortened with increasing age in permanent cell division. When the telomeres are completely used up, preprogrammed cell death follows. According to the study, these cell components are preserved longer by omega-3 fatty acids. (ag)

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Video: The science of cells that never get old. Elizabeth Blackburn


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