Biomarkers of Physical Activity/health in Children and Adolescents

The intervention will consist of recommendations to improve physical activity (PA) and dietary habits. It is based on the PAIDO Programme (www.programapaido.es), an outpatient family-based multidisciplinary programme that combines PA, education on nutrition, and behavioural therapy. It will last 6 months and improvement of metabolic health and body weight loss is expected, particularly in the groups with overweight and obesity. The dietary intervention will be focused on the promotion of the Mediterranean diet, with follow-up and advice from a dietitian-nutritionist. Participants will be encouraged in reducing sedentary behaviour (watching television, playing computer games, playing board games). Performance of aerobic and strength physical exercises will be scheduled, progressively increasing the intensity. Volunteers and their parents will participate in monthly sessions to follow-up on adherence to the PA and dietary recommendations and give personalized advice.