Evaluating the data concerning vitamin D insufficiency/deficiency and child abuse

Excerpt

There is absolutely no question that serum levels of vitamin D in children in sections of the population of the US, Canada and various parts of the world are lower than the accepted normal [1]. There are many reasons for this, and the American Academy of Pediatrics and others are addressing dosage requirement for basic supplementation of vitamin D [2, 3]. The connection, however, between vitamin D insufficiency/deficiency and fractures in children with otherwise normal radiographs is another issue. What is the evidence for fragility of bones in children with insufficient levels of vitamin D and even in those with deficiency levels if the radiographs are normal, that is, when there is no radiographic evidence of rickets? …