Answer:
You didn't seem to add who Alison is, but the answers give me enough to say which answer is correct.
Of course, there is a very large difference between feeling down and having a serious problem.
Not wanting to go back to school after summer break is completely natural and makes sense, it is just feeling down.
Feeling different from your friends is an issue that people often say isn't that bad, but it is, though rarely requires medical help.
Hearing voices is something that does require medical/professional help. This has a very high chance of being due to schizophrenia, bipolar disorder, and sometimes things such as lack of sleep, drug use, or extreme hunger. Hearing voices is the answer. These issues are serious mental health issues that will definitely need professional help.
Lymph vessels are more like valves than veins. They prevent back flow, so things only need to go in one direction, unlike other areas of heavy traffic. Let me know if you need more. :)
A myth would be that you can get AIDS or HIV by touching or kissing someone who has the STD. In fact, you can only get it from them by touching their blood or through intercourse.
Narcotics are also called opioid pain relievers. They are only used for pain that is severe and is not helped by other types of painkillers. When used carefully and under a health care provider's direct care, these drugs can be effective at reducing pain.