VDR and rickets: Limited sun exposure, advanced age, a sedentary lifestyle, and vitamin D receptor(VDR)gene polymorphisms might be the factors linked to a greater risk of vitamin D deficiency diseases.14However, a recent study showed that the young Turkish Cypriots population in Northern Cyprus was found to be vitamin D deficient, despite the fact that the Island of Cyprus receives constant sunlight for almost 9 months a year, and the Mediterranean diet is rich in vitamin D-containing foods.14, 15