The correct answer is Focuses energy. Eustress is defined as being beneficial to the one experiencing it. Such as being stressed out because your school final for a class is due soon, and you need to continue to work on it in order to pass.
A. a disease that affects a person for a long time
Skinless chicken or turkey, Ground beef, Beans/ lentils, low or no fat dairy, fish, nuts / seeds, and my personal favorite eggs.