Exploring Screen Time and Its Effects on Children's Mental Health: A Cross-Sectional Study.

Background The increasing prevalence of screen-based activities among children has raised concerns about potential mental health effects. This study investigates the relationship between screen time and mental health outcomes in children aged 6 to 14 years in Saudi Arabia and Bahrain, focusing on emotional symptoms, conduct problems, hyperactivity, peer problems, and depressive symptoms. Methods A cross-sectional study was conducted with 670 children recruited through stratified random sampling.

How to verify and validate a clinical microbiology test before it can be used in routine diagnostics: a practical guide.

Background: Before a new test can be routinely used in your laboratory, its reliability must be established in the laboratory where it will be used. International standards demand validation and verification procedures for new tests. The International Organization for Standardization (ISO) 15189 was recently updated, and the European Commission's In Vitro Diagnostic Regulation (IVDR) came into effect.

Evaluating the Clinical Relevance of Routine Sonication for Periprosthetic Hip or Knee Joint Infection Diagnosis.

Periprosthetic joint infection (PJI) is a serious complication after joint arthroplasty. PJI screening and conventional cultures may be inconclusive. Sonication fluid culturing stands out as a valuable adjunct technique for PJI diagnosis.