The answer is b. Migraine headaches
That is good- but is that your introduction paragraph? Because intros are usually a little bit longer, unless your teacher told you so :)
Abuse? Torture? You have to explane it better.
The correct answer is C.
D would be incorrect because exercise normally does not help thin blood.
B. Is incorrect because even though you exercise you should still have good eating habits.
A. Is incorrect because your body is always absorbing saturated fat. Exercise would not change that I believe.