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There is research implying that levels of vitamin D are only an indicator of good health, and does not cause it (i.e. correlation instead of causation): https:/
by BerislavLopac 8y ago
There is research implying that levels of vitamin D are only an indicator of good health, and does not cause it (i.e. correlation instead of causation): https://www.outsideonline.com/2380751/sunscreen-sun-exposure-skin-cancer-science https://www.outsideonline.com/2380751/sunscreen-sun-exposure...
- graeme 8y agoOP would still likely be fixing their problem though, right? That article says it is the sun exposure itself that has a positive effect, and vitamin D is the byproduct. To be clear, that's a really useful article, just want to clarify that your intent is indeed to explain why vitamin D wouldn't work but a UVB lamp would.
- BerislavLopac 8y agoExactly.
- amanaplanacanal 8y agoAnother possibility: higher vitamin D levels are associated with health because people who are outside more might be getting more exercise, and it's really the exercise that is doing it. It's hard to disentangle all these things.