alt Hacker NewsNo one will probably believe this, but I think dust mite exposure is a major cause of vitamin D deficiency and a lot of the negative outcomes associated with low vitamin D are actually second+ order effects of dust mite exposure. Just posting in case it reaches one person out of the 100s of millions who are sick from dust mites.
citation? There's many open to believing it and the reach maybe more if there are studies that confirm causation with a high probability.
fwiw - vit-d supplementation is one of the easiest supplements available. The recommended dosage 400IU is way lower than what can actually bring your levels up. You need about 4000IU of supplementation and regular testing if you're not exposed to sunlight and/or your dairy intake is poor.