Stress makes our bodies age faster, but thankfully we can combat that with healthy eating and exercise, a new study says.
When cells age, telomeres—tips at the end of chromosomes—shorten. Telomeres help regulate the aging of cells, and their length has been used to determine the body’s current state of health. Things like stress and lifestyle behaviors can influence their length, as compelling earlier research has shown. In the new study, University of California, San Francisco, researchers looked at 239 post-menopausal women for a year and found that for every major life stressor they experienced during the year, there was a significant shortening in their telomere length.
That’s not great news, but the researchers also discovered that the women who ate a healthy diet, exercised and slept well had less shortening of their telomeres. It could be that the women’s healthy habits actually protect them from cellular aging, even in the face of life’s stresses.
The study, which is published in the journal Molecular Psychiatry, is observational, which means the researchers cannot say with certainty that it was these healthy lifestyles alone that offered them protective benefits. But at the very least, it shows once again that doing our best to eat well, sleep, and exercise can give us an edge.
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