Learn the distinctions between simple and stratified random sampling. Understand how researchers use these methods to accurately represent data populations.

Congenital heart defects (CHD) represent the most common congenital malformations globally and constitute a leading cause of neonatal mortality, with early maternal risk factors playing significant ...

A warm body in the rainforest gives off a loud chemical signal. For most mosquitoes, that signal could belong to almost any ...

In a long-running RCT, older adults who completed adaptive speed-of-processing training with boosters were less likely to develop dementia — a benefit not seen with memory or reasoning training.

Depression relief was the primary driver of disease improvement among patients with fibromyalgia and prominent anxiety and depression symptoms.

More than half of transplant recipients in a large analysis developed chronic graft-versus-host disease, and 15% died from causes other than cancer relapse. Those numbers capture the uneasy truth of ...

OS of 8.9 months versus 5.8 months with trifluridine/tipiracil alone, supporting phase III ...

BioNTech and partner DualityBio are accelerating the development of their B7-H3 antibody-drug conjugate into a phase 3 trial for metastatic castration-resistant prostate cancer (mCRPC). | BioNTech and ...

Background Ocular chronic graft versus host disease (oGVHD) seriously affects ocular surface, which often results in corneal ...

Editor’s note: This round‑up is based on press releases, peer‑reviewed publications, and company communications received in January and February 2026. All results are preliminary unless stated, and ...

Introduction Previous reviews have investigated the relationship between empathy and burnout. However, these are now out of date, did not capture the effect of the pandemic, did not include healthcare ...

Baseline FT3 and TRAb levels were key prognostic markers for achieving remission in pediatric patients with Graves orbitopathy (GO).