One way to teach a preschooler to be healthy is to involve them in making healthy choices. Start by introducing them to various nutritious, wholesome foods and explain why each food benefits their growing bodies. Involve them in shopping trips and meal planning, allowing them to pick out items from the store that are healthy options. Get creative with recipes and cooking methods, such as steaming vegetables or using whole grains instead of white flour when baking. Encourage physical activity by playing active games together or signing up for local sports teams focusing on skill development rather than competition. Emphasize moderation regarding snacks and sweets, ensuring they understand that treats can be enjoyed in moderation as part of a well-rounded diet.