In response to declining budgets, many school districts in the US have reduced funding for sports. In Europe, parents may respond to difficult economic times by spending less on sports clubs for their children. Such cuts are unwise if participating in sports is an investment good as well as a...

An increasing number of primary prevention programs aimed at promoting physical exercise in children and adolescents are being piloted. As resources are limited, it is important to ascertain the costs and benefits of such programs. The aim of this systematic review is to evaluate the currently...