Obesity is a major health challenge. Here we show that body mass index is positively associated with risk of 19 cancers and inversely associated with 3, based on a systematic review and meta-analysis ...

Meta-analysis enhances the power of rare variant association tests by combining summary statistics across several cohorts. However, existing methods often fail to ...

Introduction Media and digital technologies shape adolescent development across interconnected online and offline contexts, offering opportunities for learning and connection while also exposing young ...

The benefit of beta-blockers after myocardial infarction in patients with a preserved left ventricular ejection fraction (LVEF) is unclear. We conducted a meta-analysis at the individual-patient level ...

Sometimes, psychological studies on the same topic show different results. To know what the evidence looks like when the data from all studies on a topic are combined, psychologists often conduct ...