The field investigating the relationship between physical activity and cognition has considerably evolved in recent years. This has led to an increasingly differentiated view on this phenomenon, challenging the notion of overall cognitive and academic benefits of regular physical activity for school-aged children, with renewed questioning of…

During human childhood, brain development and body growth compete for limited metabolic resources, resulting in a trade-off where energy allocated to brain development can decrease as body growth accelerates. This preregistered study explores the relationship between language skills, serving as a proxy for brain development, and body mass index at…