One of the biggest concerns in doctors that I have seen from watching TV is that flu pandemics if left untreated can turn deadly not within a matter of days but within a matter of minutes. Hope this helped.
The backpack's main force that it it is exerting on the body's back and hips is coming from gravity, and can pull the spine downwards. This is why it's important to ear both straps.
C. Dying their hair
Choice A is incorrect because when someone is bored they may choose to dabble in drugs to give them something to do. B is incorrect because if someone likes to do dangerous things they would be more willing to partake in risky behaviors. D is incorrect because someone looking to escape reality would try drugs to achieve that.
Body odor would cause bacteria to sit on areas of the skin
