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 ...

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 ...

Objective To synthesise meta-analytic outcomes from randomised controlled trials examining exercise effects on depression and anxiety across all population groups, including children and adults with ...

Background Marathon running has numerous cardiovascular effects. Studies report transient physiological changes, while others ...

Introduction Although most forcibly displaced individuals remain within their country of origin, internally displaced persons ...