A new study comparing multiple and single arterial grafting highlights how physician preference can bias observational data.

Observational studies are critical tools in clinical research and public health response, but challenges arise in ensuring ...

Objectives This study aims to examine the association of time to recovery between early versus late presentation to ...

misclassification bias, control of potential confounding and effect modification). Results: In total, 51 studies were selected for review. A comparison between studies was difficult due to the ...

Treatment with TNF inhibitors yielded no differences in outcomes vs. other antirheumatic therapies among U.S. veterans with ...

A meta-analysis shows that a nighttime sleep duration < 7 hours is associated with an increased risk for hypertension, ...

Understanding ad effectiveness is key to successful marketing, yet marketers often shy away from the most reliable tools for ...

The review highlights insufficient evidence for e-cigarettes as a gateway to smoking, calling for improved studies to guide ...

In the next in our series, GP Dr Roger Henderson debunks common myths about prostate cancer – and highlights some less ...