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Running is a great workout, and it comes with all of the heart-strengthening benefits of aerobic exercise. But doing it for long distances—like in a marathon—may come with unintended health consequences. A small new study finds that marathon runners can experience short-term kidney injury after the race.
In the study, published in the American Journal of Kidney Diseases, researchers took blood and urine samples from 22 people who ran the 2015 Hartford Marathon, and looked for evidence of kidney injury. The researchers reported that based on the markers they observed in the samples, 82% of the runners had evidence of stage 1 acute kidney injury after the race. The problem appeared to be short-term, and most people's kidneys returned to normal within 24 to 48 hours.
Still, the researchers say that their findings underline the fact that running a marathon is a stressful event for the body, and that some people may want to be extra vigilant. "We knew we would find something, but I was surprised by the level [of injury]," says study author Dr. Chirag Parikh, a professor of medicine at Yale University. "It’s comparable to what I see in hospitals."
Read more here. (Time)
In the study, published in the American Journal of Kidney Diseases, researchers took blood and urine samples from 22 people who ran the 2015 Hartford Marathon, and looked for evidence of kidney injury. The researchers reported that based on the markers they observed in the samples, 82% of the runners had evidence of stage 1 acute kidney injury after the race. The problem appeared to be short-term, and most people's kidneys returned to normal within 24 to 48 hours.
Still, the researchers say that their findings underline the fact that running a marathon is a stressful event for the body, and that some people may want to be extra vigilant. "We knew we would find something, but I was surprised by the level [of injury]," says study author Dr. Chirag Parikh, a professor of medicine at Yale University. "It’s comparable to what I see in hospitals."
Read more here. (Time)
