Various health issues.
Heart and circulation.
The small and large intestine.
From mouth to stomach.
The reason they're lumped is that they're pretty much one mucous membrane.
Things to do with the liver.
Things that go wonky with the metabolism. Thyroid trouble, diabetes, syndrome x, and so on.
Sleep problems, nervous tics, and so on.
Kidneys and urinary tract.
Synonyms: phthisis, consumption.