The beneficial effects of appropriate physical activity(PA), physical fitness,and diet during adult life are well-documented but the potential of appropriate PA,physical fitness,and diet to confer benefits on health and well-being during childhood and adolescence has not been explored fully.Recognizing the value of critical reviews of the extant literature in providing a foundation for future research,the Journal of Sport and Health Science(JSHS) has commissioned two Special Issues devoted The beneficial effects of appropriate physical activity (PA), physical fitness, and diet during adult life are well-documented but the potential of appropriate PA, physical fitness, and diet to confer benefits on health and well-being during childhood and adolescence has not been explored fully .Recognizing the value of critical reviews of the extant literature in Providing a foundation for future research, the Journal of Sport and Health Science (JSHS) has commissioned two Special Issues devoted