Study Suggests Jogging Could Keep You Young

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Researchers from the University of Colorado, Boulder and Humboldt State University carried out a study that reveals some unexpected benefits for older adults who jog.


The study observed adults over age 65 – some walking for exercise while others ran for exercise. What they found was this: people who ran three times a week for 30 minutes apiece were not as likely to suffer with age-related physical debility in walking ability as those folks who just walked to get their exercise.

According to the study, self-reported older runners (joggers) could efficiently walk 10 percent more than the self-reported people who didn’t walk or only walked for their exercise. It also found that runners’ metabolic rates were similar to 20-somethings.

The study’s participants were then asked to walk using a treadmill with three various speeds – 1.6, 2.8 and 3.9 miles per hour). Researchers wanted to measure their carbon dioxide production and their oxygen consumption.

Scientists are unsure what it is that makes joggers experience a better efficiency rate than walkers, but feel it could be related to the mitochondria that’s in their cells. And, evidence points out that people who work out regularly and intensely have far better mitochondria in their muscles.

Additional studies are in the works to look at whether or not high-aerobic exercise – cycling and swimming, for example – can help alleviate any physical debility that comes with age.

The study was published on Nov. 20 in the PLOS ONE journal.