True but Black and Asian populations living in northern colder climates with less sunlight are well known to have vitamin D deficiency. I remember a news artic

True but Black and Asian populations living in northern colder climates with less sunlight are well known to have vitamin D deficiency. I remember a news article on the BBC over 30 years ago saying doctors where seeing rickets in the UK's Asian population - a disease that had been wiped out in the white population a generation or so before.