What is the truth about substance abuse?

Drug abuse can effect your body in a very bad way and their are very bad side effects you can get by using drugs such as  increased heart rate, high blood pressure, dizziness, tremors, mood changes and paranoia.

abuse, both physical and emotional. messes with your head. makes you feel like nothing, no matter what anyone else tells you

answer(b) keep oxygenated and deoxygenated blood separate;