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when you say strenuous exercise may stop cellular death is that bad for your body?

By Anonymous June 19, 2010 - 5:25pm
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HERWriter Guide

Anon - You appear to be asking about a recent news story about a study that was published May 10 in the journal BMC Physiology.

Researchers found that strenuous exercise appears to stop the body’s cells from killing themselves as they’re programmed to do, and yes, this can be harmful.

The researchers found that cells of people who had just run a marathon didn’t engage in what is called apoptosis — the natural death of cells.

“Apoptosis is a normal physiological function dependent on a variety of signals, many of which can be modulated by strenuous exercise. Here, we’ve shown for the first time that exercise modulates expression of the sirtuin family of proteins, which may be key regulators of training,” study lead author Gabriella Marfe, of the University of Rome, said in a news release.

Marfe and colleagues took blood samples from 10 male athletes who’d taken part in a 42-kilometer run and found a shift in the balance between expression of pro- and anti-apoptotic genes after the race.

The researchers think that proteins in the sirtuin family may play a protective role in preventing cell death through exercise.

So should you go out for a run? Be careful if you haven’t been training, Marfe said. “Untrained amateur athletes often do hard training without professional advice. Such intense and exhaustive exercise can be harmful to health,” she said. To achieve beneficial effects, the authors recommend that exercise be part of a lifelong regimen with expert medical advice and supervision.

June 19, 2010 - 5:59pm
EmpowHER Guest
Anonymous (reply to Pat Elliott)

how would you know if this happens to your body?

June 19, 2010 - 6:06pm
(reply to Anonymous)

After reading the article excerpts that Pat provided above, it seems that the cells would need to be analyzed in a lab.

Is your question related to symptoms you are experiencing, or are you just curious after reading the article?

June 20, 2010 - 7:01am
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