Nutrition, from birth to older age, has an impact on health, whether it is positive or negative. Promoting healthy eating habits and physical activity as well as identifying opportunities to reduce risk factors at key stages of life is critical to prevention and healthy ageing. What are the determining factors? What are the recommendations and needs to be covered? How can a healthy diet lead to a healthy lifestyle? Who are the most appropriate prescribers to promote healthy eating and advise on nutrition and physical activity? How can opportunities for action be identified and health promotion organised? What might be the role of the food industry?