During the 1950s, radio programming was developed for for primary school children throughout Australia to learn about health. For three terms, six units of study were broadcast weekly, covering topics such as: the body, food, national health, disease, living together and growing up. The emphasis here is on maintain a ‘reasonable’ balance in food between ‘complete foods’ (protein), ‘balanced foods’ (fruit and vegetables) and ‘incomplete foods’ (carbohydrates and sweets).