"We really want to make a difference in obesity and obesity prevention, and hopefully the HealthTeacher curriculum will provide a start," said Eric Stern, who oversees physical. Health education, he said, is so important that each. 4. THE ONTARIO CURRICULUM, GRADES 9–12 | Health and Physical Education. A variety of factors, known as the “determinants of health” (discussed in this document In physical education class. strong emotions by using the…