Evaluating the Bidirectional Causal Effects of Alzheimer’s Disease Across Multiple Conditions : A Systematic Review and Meta-Analysis of Mendelian Randomization Studies
This study systematically evaluates and meta-analyzes Mendelian randomization studies on the bidirectional causal relationship between Alzheimer’s disease (AD) and systemic diseases. We searched five databases, assessed study quality, and extracted data. Diseases were classified using ICD-11, and the meta-analysis was performed with RevMan 5.4. A total of 56 studies identified genetic links betwee
