Although concussion is increasingly being diagnosed in the pediatric population, little is known about what factors lead to prolonged postconcussive symptoms in children. In particular, the effect of previous history of concussion on recovery from a repeat injury is unclear.Children with a history of previous concussion, particularly recent or multiple concussions, are at increased risk for prolonged symptoms after concussion. This suggests that repeat concussion, particularly within a vulnerable time window, may lead to longer duration of symptoms.Medication ingestions are increasing among children despite a number of public health interventions. The majority of these poisonings are related to prescription as opposed to over-the-counter medications.Rising rates of poisonings in children are strongly correlated with rising use of hypoglycemics, antihyperlipidemics, β-blockers, and opioids among adults. These events are associated with considerable health care utilization, both in terms of emergency department visits and hospital admissions.Bronchiolitis is often cited as the leading cause of hospitalization for young children in the United States Previous studies reported increases in bronchiolitis hospitalizations through the 1990s. There are no recent efforts to assess national trends in bronchiolitis incidence and health care utilization.Between 2000 and 2009, we found a significant decline in bronchiolitis hospitalizations among US children. By contrast, use of mechanical ventilation and hospital charges for bronchiolitis significantly increased over this same period.Exemption rates for immunization requirements have until recently been stable in states permitting religious exemptions. States with easy exemption processes have seen higher rates of vaccine-preventable diseases.In New York, the rate of religious exemptions has increased. Counties with higher rates of exemption have a greater incidence of pertussis.Parent or provider reluctance to immunize infants during sick visits is a common reason why infants fall behind on the recommended schedule. One previous study suggested that immunizations at sick visits …
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