Helpful ReplyHot!Does Cardio age us?

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Re: Does Cardio age us? 2017/12/05 02:47:14 (permalink)
People say all kinds of crap.  I heard the other day people telling me I would develop alzheimers if I don't wait 30 minutes after exercise before showering.  My answer is always "why".  Free radicals is like a buzzword, people use it to explain all kinds of crap when they probably didn't even get a GCSE in biology.  Burden of proof is on them to cite some kind of data on the subject. 
But this kind of thing would be almost impossible to study in practice, because you'd have to collect data on people over decades, and there are so many variables.  Theoretically there could be a something released when running that is one vector for ageing, but equally it could be offset by beneficial effects or adapted to by the body completely.
But thinking about it....It seems far more likely that people who spend a lot of time outdoors (e.g. running) look older because they're exposed to the sun more.  The ageing effects of UV radiation are well understood.  So this would indicate it's a correlation not a causation and the free radical thing is just ad-hoc pseudo-science.
post edited by badman - 2017/12/05 02:51:21
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Re: Does Cardio age us? 2017/12/06 17:29:40 (permalink)
Good for the heart and general wellbeing. Keeps muscles active and fresh.
Bad for the joints and bones in the long term if you've overdone it (as is lifting too heavy post 45-50+).
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