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Moreover, more outside time is associated with many other healthful activities. The correct model is that people who care about their health spend more time out
by lern_too_spel 7y ago
Moreover, more outside time is associated with many other healthful activities. The correct model is that people who care about their health spend more time outside and therefore have higher vitamin D levels, not that higher vitamin D levels cause a dramatic effect on health. Taking vitamin D supplements if you are not deficient isn't going to make you care about your health more and is unlikely to have a significant effect on your mortality.
- snth 7y agoDon't people who take Vitamin D supplements _also_ care more about their health though?
- deleted 7y ago[deleted]
- stevehawk 7y agoEh or just want to pretend to care about their health and the cost of being guilt free about it is a monthly vitamin D bottle.
- lern_too_spel 7y agoIn that case, the direction of causality is also reversed. Caring about health -> higher vitamin D, not the other way around, exemplifying my point. It's the caring about health that significantly reduces mortality, not the vitamin D, so implementing vitamin D supplementation as public policy to fight Covid-19 is unlikely to have an effect.
- fnord123 7y agoFwiw, much of Western Europe is vitamin d deficient through no fault of their own. There's just too much cloud cover. Thankfully the past few weeks have been really nice.