Efficacy of vitamin D supplementation on the incidence of preeclampsia: a systematic review and meta-analysis.

Background: Preeclampsia is a severe pregnancy complication affecting 2-8% of pregnancies globally, contributing to substantial maternal and fetal morbidity and mortality. Vitamin D deficiency has been associated with an increased risk of preeclampsia, yet the efficacy of its supplementation during pregnancy in reducing preeclampsia incidence remains uncertain.

Objectives: This systematic review and meta-analysis aimed to evaluate the impact of vitamin D supplementation on the incidence of preeclampsia and related maternal and neonatal outcomes.

Arsenic's shadowy influence: A systematic review of its carcinogenic role in gallbladder cancer.

Introduction: Gallbladder carcinoma (GBC) and cholangiocarcinoma are aggressive forms of cancer developed in the gallbladder and biliary tracts which are related to the liver. This systematic review aimed to highlight the significant association between gallbladder, biliary cancers, and arsenic exposure.

Methods: An extensive search was conducted in Embase, Cochrane, Scopus, PubMed, and Web of Science.