Child obesity in Australia is on the rise due to inactivity from computer games and technology, as well as lack of monitoring of children's diets by parents. Safety both in and out of school is also a concern, with increased traffic posing risks. PDHPE addresses these issues by promoting active lifestyles to reduce inactivity, healthy eating to reduce obesity and abuse of health, and safety awareness to prevent harm and risks to physical health. PDHPE is the only subject that incorporates active living, growth and development, safe living, health and nutrition, and interpersonal relationships, making it a well-rounded subject.