Background The coronavirus disease 2019 (COVID-19) has severely impacted the lives of
children and adolescents. School closure, one of the critical changes during the first COVID-…

Study objective: To investigate prospectively the associations between depression and
cognitive social capital (social trust, sense of belonging, mutual aid) and structural social capital (…

Background: Shaken baby syndrome often occurs after shaking in response to crying bouts.
We questioned whether the use of the educational materials from the Period of PURPLE …

The electronic structures are calculated for several crystalline approximants of quasicrystals,
AlCuLi and AlFe. The densities of states of these systems, and also of AlMn, suggest …

BACKGROUND: A growing number of studies have suggested a link between social capital
and health. However, the association may reflect confounding by factors, such as personality …

Background More years of schooling is generally associated with better health. However,
this association may be confounded by unobserved common prior causes such as inherited …

Background A year has passed since COVID-19 began disrupting systems. Although
children are not considered a risk population for the virus, there is accumulating knowledge …

Background: Reluctance of people to receive recommended vaccines is a growing concern,
as distribution of vaccines is considered critical to ending the COVID-19 pandemic. There is …

Background To examine the association between individual-level social capital and
physical activity. Methodology/Principal Findings In February 2009, data were collected in a …

The rapid increase of the prevalence of autism spectrum disorder (ASD) suggests that exposure
to chemicals may impact the development of ASD. Therefore, we reviewed literature on …