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>"Everything else I've ever read says exercise is dwarfed by diet when it comes to health, and the health benefits are pretty minimal to fitness beyond a pretty
by xiaoma 17y ago
>"Everything else I've ever read says exercise is dwarfed by diet when it comes to health, and the health benefits are pretty minimal to fitness beyond a pretty low threshold"
<citation needed>
We've already been over this ground more than once:
According to one 32,000 person study in the American Journal of Clinical Nutrition (1999), "fit persons with any combination of smoking, elevated blood pressure, or elevated cholesterol level had lower adjusted death rates than low-fit persons with none of these characteristics". The same study found that aerobic fitness had a far more important impact on longevity than obesity did.
This was cited in Fantastic Voyage, Kurzweil and Grossman, Chapter 22.
Another 100,000+ person study found that men who ran two or more marathons per year were 41 percent less likely to suffer from high blood pressure, 32 percent less likely to have high cholesterol, and 87 percent less likely to be diabetic than non-marathoners. Those who ran only one marathon every two to five years also had significantly lower risk for these conditions than non-marathoners.
http://www.medicalnewstoday.com/articles/140104.php http://www.medicalnewstoday.com/articles/140104.php
Here's a different piece on how regular hour-long runs stimulate neurogenesis and memory improvements in middle aged humans:
http://www.dana.org/news/brainwork/detail.aspx?id=7374 http://www.dana.org/news/brainwork/detail.aspx?id=7374
Distance running is one of the most beneficial things you can do for yourself. Racing marathons is also fine, with sufficient training.
- kingkongreveng_ 17y agohttp://eurheartj.oxfordjournals.org/cgi/content/full/29/15/1903 http://eurheartj.oxfordjournals.org/cgi/content/full/29/15/1... "The more marathons run, the higher the likelihood of heart disease. The number of marathons run was an independent and significant predictor of the likelihood of myocardial damage. The runners had about the same prevalence of non-zero coronary calcium compared to age matched controls randomly assigned from a survey population."
- xiaoma 17y agoThe "quotation" you've written appears nowhere in that article you've linked to. Trying to pass that off as an excerpt from the the article is not the most ethical way to make your case. What the article did say in the heading titled Conclusions was this: "Regular marathon running has a beneficial effect on the cardiovascular risk factor profile but the extent of calcified coronary plaque is underestimated from that risk factor profile"
- clevercode 17y agoThe first study you link to does not appear to address the correlation/causation issue whatsoever. Specifically: "The study acknowledges that people who regularly run marathons, like many of the study's participants, may be genetically predisposed to running long distances." The second link describing neurogenesis stimulation is more interesting due to the fact that they are tracking actual changes in the participants over the course of the study. For the record, I do not doubt for a moment that exercise has numerous positive benefits, both physically and mentally.