A group of international experts in the exercise–cognition field disagree with the conclusion of the meta-analyses of Ciria et al.: Evidence suggests that physical exercise benefits cognition across the lifespan1,2. Nevertheless, in an umbrella review of 24 meta-analyses of randomized controlled trials, Ciria et al. concluded that there is no support for a causal effect of physical exercise on cognitive performance in healthy populations. A group of international experts in the exercise–cognition field, disagrees with this conclusion due to methodological and theoretical limitations that have received little consideration. They believe the authors’ warning of caution for the World Health Organization’s recommendations2 regarding the cognitive benefits of exercise is unwarranted. You'll find the full length paper here.