Hypothalamus?

[Typo]

I'm a 22 year old man in Alaska. My whole life I've felt abnormally cold all the time, my appetite has alternately been insatiable or almost completely absent, I have no sense of smell, I've always been underweight, stopped growing when I was 12 for a grand total of 5'3, was diagnosed with bipolar disorder and generalized anxiety, and have always had severe insomnia that no pill could overtake (in fact, when I try sleeping pills half the time I'm up well into the next day). The internet suggests to me that this could all be related to a problem with my hypothalamus, and further suggests that a craniopharyngioma could be the underlying cause - this makes sense as a possibility, because my aunt has one. But family history and an internet diagnosis isn't much to go on. My question is, does that sound enough like a discrete neurological problem to recommend actually making an appointment with a neurologist?