Answer:
I feel as if you should always be thinking about your future because it feels as if yesterday I was just in 8th grade and now i'm a junior in highschool. I alredy have my life lanned out to be a movie producer. BUt that wouldnt have happened if I wasnt thinking of the future. Yoou wouldnt want to not have a life decision when you graduate becuase you dont want to be working at a fast food redturaunt for the rest of your life.
I believe the answer is: Eat a well-balanced diet to increase energy and immunity
Even though physical activities improve both our energy and immunity in the long run, they are not as significant as maintaining well balanced diet in your life.
You need to make sure that you get your nutrients from various source of non-processed food in order to fulfill both your macronutrients and micronutrients.
Most likely caused by her eating disorder/anorexia