[haltingproblem]

Can you explain why just being homeless might cause a depletion of vitamin D?

[Enginerrrd]

That's easy. Crappy diet and alcoholism. Something like 68% of single adult homeless credit substance abuse with their homelessness[1], with alcohol being the most commonly abused substance. Alcoholism and vitamin D deficiency has definitely been linked.[2]

[1]http://www.ncdsv.org/images/USCM_Hunger-homelessness-Survey-...

[2]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5074581/

[BlueScreenDeath]

> they would be more cognizant of the effects of the sun and more likely to wear sunscreen and protective clothing.