Background and aims COVID-19 is a pandemic that has affected beyond 100 million and
caused nearly 3 million deaths globally. Vitamin D is a known risk factor for COVID-19 …

Background & aims COVID-19 has emerged as a global pandemic affecting millions of
people. Vitamin D deficiency is one of the risk factors for increased susceptibility to COVID …

Background Vitamin D deficiency is becoming a serious public health problem, even in sun-
drenched cities like Karachi, Pakistan. We investigated the prevalence of vitamin D …

Vitamin D is crucial for normal body metabolism. Two important vitamin D sources are
synthesis in the lower layers of the skin (90%) and diet (10%). This systematic review and …

Background: Acquired immunity plays an important role in the prevention of viral infections.
SARS-CoV-2 is an infection that leads to a pandemic. The development of specific anti …

Objective: To assess the distribution of Vitamin D3 levels in age and gender groups in a
tertiary care hospital of Nowshera. Methodology: This cross sectional study was conducted …

Background Optimal levels of vitamin D are vital for preventive health. However, vitamin D
deficiency is still among the most common issues around the world at every age …

Objective: To estimate the relationship between serum level 25-hydroxyvitamin (25 (OH) D)
and diabetic retinopathy (DR) in type 2 diabetic elders. Study Design: Prospective …

Objective: The most frequent type of nutrient shortage is Vitamin D deficiency, which affects
about of half of the world's population. Vitamin D deficiency responsible for numerous acute …

Background & aims: COVID-19 has emerged as a global pandemic affecting millions of
people. Vitamin D deficiency is one of the risk factors for increased susceptibility to COVID …