Objective: The objective of this study was to investigate the relationship between classroom psychological climate and the physical and sedentary behaviour of primary school students after the implementation of an innovative education programme regarding nutrition and physical activity. Design: Randomised controlled trial. Setting: Study…

American children spend an average of 6 hours and 32 minutes each day using various forms of media. Research has suggested that this high level of exposure has a negative impact on children's attitudes and behaviors. For example, media violence increases aggression in children, especially video games which allows children to be the aggressor and…