Vitamin D is essential for growth and vitamin D deficiency is important issue in adolescent
girls as they have a limited rapid growth period. This cross sectional study was done on 167 …

Background and purpose: Vitamin  deficiency has been observed in both developed and
developing countries, including the Middle Ëast. Ïn this study, the prevalence of vitamin D …

Over the last decade there had been growing evidence of high prevalence of vitamin D
deficiency especially among adolescents. Inadequate sun exposure is considered a …

Background and Aim: Vitamin D has a basic role in bone development and metabolism.
Regarding high prevalence of vitamin D deficiency in Iran, we aimed to investigate its point …

Materials and Methods: Based upon a cross-sectional study in 2010, 420 students 10--16
years old including 220 girls and 200 boys, studied at Arak secondary schools, were …

Objective: To study daily intake of calcium, phosphorus and vitamin D, to determine the
biochemical findings of rickets and the effect of sunlight exposure and vitamin D …

Background: The prevalence of vitamin D deficiency has recently been recognized in
different parts of the world, even affecting healthy populations. The deficiency of vitamin D …

Abstract Background and Aims: Vitamin D is important for calcium absorption and bone
growth. Hypovitaminosis and vitamin D deficiency have been observed in developed and …

Objective: Despite the high prevalence of vitamin D deficiency in adults worldwide, not many
studies have evaluated the condition in adolescents. The present study was therefore …

Background: Vitamin D has an essential role in bone growth and metabolism. Currently, its
role has been investigated in different diseases. It is high prevalence of vitamin D deficiency …