Three schoolchildren were killed and two others, including the driver, sustained serious injuries after a passenger train rammed into a school van — carrying four students — which was attempting to ...

If an algorithm could help you predict your risk of chronic illness and reveal your likely lifespan, would you want to know? A team of researchers at Duke University, Harvard University, and the ...

Methods and analysis The REC-FAST study (Reference Charts for the Fetal cAvum SepTi pellucidi) is a prospective monocentric cross-sectional study on consecutively enrolled pregnant women accessing our ...

In trading on Monday, shares of Chart Industries Inc's 6.75% Series B Mandatory Convertible Preferred Stock (Symbol: GTLS.PRB) were yielding above the 5.5% mark based on its quarterly dividend ...

The U.S. Environmental Protection Agency (EPA) issued a final rule on June 9, 2025, that extends the reporting deadlines for a rule under Section 8(d) of the Toxic Substances Control Act (TSCA ...

Importantly, cross-sectional studies do not allow investigators to evaluate causality, because it is not possible to establish whether a suspected exposure variable preceded the suspected outcome. We ...

The purpose of this study was to use a cross‐sectional data set to examine the association between daily heart rate per step (DHRPS) and CVD, then to compare these to previously‐studied metrics like ...

We stress that our aim is not to build a longitudinal normative model per se. Considering the much greater availability of cross-sectional data relative to longitudinal data, we instead leverage ...

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It is difficult to conclude about causation from cross-sectional data because the order of exposure and consequence could not be determined. Additionally, memory bias may have been introduced by using ...