English story plz help! 10 points best answer?

It is a strange paradox that the realm of cheer leading is such a source of injury for those healthy young girls whose cheeks are tinged with the bloom of health. The chances of injury have doubled over the past thirteen years and a career as a cheer leader might well prognosticate a crippling injury reducing one to a virtual automaton. Many a matron must be counselling her daughter against going into this form of activity.