Hypovitaminosis D and COVID-19

Letter: Covid-19, and vitamin D

Vitamin D is an immune modulator hormone with an anti-inflammatory effect. In this study the potential association between vitamin D and risk of Covid-19 disease were examined. Data of worldwide mortality rate of Covid-19 pandemic according to geographical distribution in 108 countries were analyzed. The results shows Covid-19 outbreaks and particularly mortality exhibit a decreasing North-Sout...

Pediatric Hypovitaminosis D

Vitamin D, a secosteroid, is essential for the development and maintenance of healthy bone in both the adult and pediatric populations. Low level of 25-hydroxy vitamin D (25-(OH)-D) is highly prevalent in children worldwide and has been linked to various adverse health outcomes including rickets, osteomalacia, osteomalacic myopathy, sarcopenia, and weakness, growth retardation, hypocalcemia, se...

Hypovitaminosis D in healthy schoolchildren.

BACKGROUND Vitamin D is essential for skeletal growth, but there are currently no guidelines for vitamin D supplementation after infancy. This study investigates vitamin D insufficiency in healthy children. METHODS Children ages 10 to 16 years from 3 private schools in Beirut, Lebanon, with differing socioeconomic status (SES) were studied: 169 in the spring of 1999 and 177 in the following f...

Hypovitaminosis D in systemic sclerosis.

Obesity, influenza virus infection, and hypovitaminosis D.

O’Brien et al [1] found that obesity was a risk factor for severe influenza infection in mice and proposed poor lung wound healing, leading to pulmonary edema suggestive of acute respiratory distress syndrome, as a potential underlying mechanism, rather than a lack of viral control. They suggested that obesity should be recognized as a risk factor requiring early antiviral therapy [1]. However,...