A meta-analysis is a way to formalize that process. It takes the results of multiple studies and combines them, increasing the statistical power of the analysis.

Doing a certain amount of exercise is linked to a 30% to 40% lower risk of an early death from any cause, according to a new ...

Meta-analysis is the quantitative, scientific synthesis of research results. Since the term and modern approaches to research synthesis were first introduced in the 1970s, meta-analysis has had a ...

Study analyzing 77 research papers finds habitual consumption of processed foods increases chronic disease risk, challenging ...

Researchers have found in a recent study that weight loss and lowering blood sugar levels lower significantly the all-cause ...

A massive meta-analysis shows staying active throughout adulthood can slash death risk by up to 40%. Learn why consistency matters more than perfection.

Meta-analysis is a useful tool to increase the statistical power to detect gene–disease associations by combining results from the original and subsequent replication studies. Recently ...

A meta-analysis of 15 studies involving nearly 50,000 people from four continents offers new insights into identifying the amount of daily walking steps that will optimally improve adults' health ...

These meta-analyses help us get a picture from multiple [studies],” said Mark Moss, a dentist and epidemiologist who was an author on the 2023 meta-analysis. He said the new JAMA Pediatrics ...

According to the World Health Organization, autism spectrum disorder (ASD) affects approximately 10% of children globally. ASD is theorised to be caused by a combination of genetic and environmental ...

Across two U.K. prospective cohorts, ever-use compared with never-use of oral contraceptives was not linked with a higher ...

Meta-analysis is an objective examination of published data from many studies of the same research topic identified through a literature search. Through the use of rigorous statistical methods, it ...