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 can ...

Objective To synthesise the evidence on the effects of physical activity on symptoms of depression, anxiety and psychological distress in adult populations. Design Umbrella review. Data sources Twelve ...

This post was written by Adrien Fillon from the University of Aix-Marseille, France, who led a meta-analysis of the "exceptionality effect" discussed in this post. Gilad Feldman, the corresponding ...