Dyspepsia, also known as indigestion, can also affect appetite as one of its symptoms is feeling "overly full" soon after beginning a meal.
During production a chorus dancer, Jack Grieves, died on the set due to acute indigestion.
Through sheer obstinacy, though, the Vogons survived (partly by adapting a misplaced, badly malformed, and dyspeptic liver into a brain).
In Natsume Sōseki's classic novel I Am a Cat, Prof. Sneeze is addicted to red bean jam, on which his wife blames both his dyspepsia and the family's unaffordable food bills.