**Core Concept**
Curling's ulcers are a type of acute peptic ulcer disease that occurs in response to extreme cold exposure, typically in patients who are exposed to freezing temperatures for an extended period. This condition is also known as hypothermic gastritis.

**Why the Correct Answer is Right**
Curling's ulcers are associated with the release of catecholamines in response to hypothermia, which leads to increased gastric acid secretion. The exposure to cold temperatures causes vasoconstriction, reducing blood flow to the stomach mucosa, and impairing its ability to protect itself from acid damage. This results in the formation of ulcers.

**Why Each Wrong Option is Incorrect**
**Option A:** Curling's ulcers are not associated with alcohol consumption. While alcohol can cause gastritis, it is not a factor in Curling's ulcers.

**Option B:** Curling's ulcers are not typically seen in patients with chronic peptic ulcer disease or those taking nonsteroidal anti-inflammatory drugs (NSAIDs). These conditions can cause ulcers, but they are not directly related to Curling's ulcers.

**Option C:** Curling's ulcers are not associated with Helicobacter pylori infection. While H. pylori is a common cause of peptic ulcers, it is not a factor in Curling's ulcers.

**Clinical Pearl / High-Yield Fact**
Curling's ulcers are a classic example of a stress-related condition, highlighting the importance of considering the patient's overall clinical context and potential stressors when evaluating gastrointestinal symptoms.

**Correct Answer: C. Cold exposure.**