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from the couch-potatoes-are-not-hit-by-cars dept.
There's no question that running changes your heart.
The issue is whether these changes are good or bad. I don't mean the occasional 3 miles once or twice a week, although even this minimal amount of exercise seems to have positive health benefits.
A famous 2014 study led by Duck-chul Lee that followed 55,000 adults for more than 15 years concluded that even modest amounts of running, around 50 minutes a week total, causes a 30 percent drop in all-cause mortality risk and an average increase of three years in lifespan. The results of this study were fairly flat with respect to running time, distance, frequency, amount and speed, compared to non-runners, although persistent runners "had the most significant benefits, with 29 percent and 50 percent lower risks of all-cause and cardiovascular mortality, respectively, compared with never-runners." However, the authors caution that "further research is needed to determine whether there is an upper limit to the amount of vigorous physical activity, beyond which additional exercise provides no further mortality reduction."
In other words, can too much running be bad for you?
(Score: 4, Insightful) by Dr Spin on Friday September 16 2016, @09:23AM
Studies conducted by me (by asking my mates in the pub) showed conclusively that unhealthy people rarely go running on a regular basis.
In fact, 100% those who described their health as "sick as a parrot" (n=3) barely got any exercise at all, unless you count pressing buttons on the TV remote.
I suspect that medical research is very unlikely to be meaningful unless proven otherwise by independent non-medical researchers.
(Same applies to economics research, even if you can prove beyond reasonable doubt it was not funded by financially motivated corporations).
Warning: Opening your mouth may invalidate your brain!