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 proble

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_Deficiency_A_Global_Health_Problem https://www.researchgate.net/publication/292995237_Vitamin_D... and similar conclusions in many other academic publications.