No. More likely it's related to the massive problem of vitamin D deficiency across the world.

"Vitamin D deficiency is worldwide a prevalent health problem and has health impacts on about one billion people. Deficiency or insuffciency of vitamin D is common in the US population, mainly because of inadequate dietary intake, sedentary lifestyles, and reduced sun exposure"

https://www.researchgate.net/publication/292995237_Vitamin_D...

and similar conclusions in many other academic publications.