This special report aims to inform the medical community about the many challenges
involved in managing radiation exposure in a way that maximizes the benefit-risk ratio. The …

Background Earlier studies have suggested that infant feeding may program long-term
changes in cholesterol metabolism. Objective We aimed to examine whether breastfeeding …

Background Although CT scans are very useful clinically, potential cancer risks exist from
associated ionising radiation, in particular for children who are more radiosensitive than …

It has been hypothesized that more socio‐economically deprived individuals age faster and,
thus, have shorter telomeres than their more affluent counterparts. A weak association …

Background Congenital anomalies are a leading cause of perinatal and infant mortality.
Advances in care have improved the prognosis for some congenital anomaly groups and …

Background and aim There is a widely held and influential view that physical activity begins
to decline at adolescence. This study aimed to identify the timing of changes in physical …

OBJECTIVE: Physical activity is thought to decline during childhood, but the extent of the
decline is unknown. We made objective measures of 2-year changes in physical activity and …

Background: We previously reported evidence of a dose–response relationship between
ionising-radiation exposure from paediatric computed tomography (CT) scans and the risk of …

Background Carotid sinus hypersensitivity is the most commonly reported cause of falls and
syncope in older persons. Recent guidelines recommend 5 to 10 seconds of carotid sinus …

Objectives: There are few published studies on the epidemiology of Langerhans cell
histiocytosis (LCH). We undertook a survey to ascertain all newly diagnosed cases aged 0 …