16 Sep 2022 --- Researchers have found that a majority of citizens in Cyprus and Greece are deficient in vitamin D. According to the study, there is a “higher-than-expected” number of people with hypovitaminosis D in Southern Europe. Hypovitaminosis D – an insufficiency or deficiency of vitamin D – can affect men and women across the lifespan. This fat-soluble vitamin affects mineral metabolism and various other physiologic functions.