Breathing and or walking .............
Answer: By having variety in what you eat, you give your body a balanced amount of different properties your food has.
Explanation:
#1 would be A, #2 would be false, as narcotics are incredibly addictive. #3 is absolutely true, as abuse of almost any medical thing can be life threatening.
It depends on how the skin went away if you where biting your lips it can take up to 2-3 weeks