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Lumifer comments on Lifestyle interventions to increase longevity - Less Wrong

120 Post author: RomeoStevens 28 February 2014 06:28AM

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Comment author: Lumifer 27 October 2014 01:16:18AM 0 points [-]

I don't know how prevalent iron overload is. It might well be rare enough so that its effects are lost in the noise. I wasn't claiming that donating blood is necessarily healthy, my point was rather that mechanisms (not correlations) by which blood donation could be useful for health exist.

Comment author: G0W51 04 November 2014 03:42:21PM 0 points [-]

If you don't know how prevalent iron overload is, then you can't know that men tend to have it, so I suggest editing you comment to say "some men have iron overload" instead of "men tend to have iron overload."

Comment author: ChrisT 10 December 2014 03:54:16PM 1 point [-]

Iron overload / haemochromatosis occurs in approx 0.5% of the population of Northern European origin (and less in other ethnicities). Undiagnosed and untreated the iron will build up in the liver and other organs and cause a variety of unpleasant side effects. Venesection is the standard treatment, though I suggest that less than 0.5% of the population is not significant enough to explain the other studies.

Source: http://www.haemochromatosis.org.uk/index.html