Physically their internal organs could be giving out for example their kidneys
psychologically the person could be drinking every time he or she feels like they are messing up or as an escape from everyday problems which can result in not being balanced
D. Reaction time
Objects falling are moving quickly, and being able to react immediately is the most useful skill in this situation. Being agile or having good balance isn't helpful if the object has reached the ground before you moved.
They target teens because they are the future of the world. So, instead of saying the future educators of the world, its more like the future smokers of the world.
Vitamin A is pass through proteins to go from outside the cell to inside
