A City Guide To Pingzhuang for Goldman et al. see Chapter for fuller discussion of illness perceptions. Adolescents perceive themselves as having more control over the onset and cure of illness and are more aware that personal actions can influence outcomes. This means that advice and interventions are understood more and may be acted upon as they can understand complex remedial and therapeutic procedures e.g. they understand that taking blood can help to monitor the progress of disease. Childhood is an important period for the development of health and illness concepts, also for the development of attitudes and patterns of health behaviour that will impact on future health status see Chapter According to these staged theories, a child’s ability to understand their condition and associated treatment is determined by the level of cognitive development attained. A City Guide To Pingzhuang 2016.