Which of the following is NOT considered a risk factor for developing a peptic ulcer?

Stress is often believed to contribute to the development of peptic ulcers, but it is not classified as a direct risk factor like the others listed. The primary causes of peptic ulcers include infection with Helicobacter pylori, a hereditary predisposition such as a family history of peptic ulcer disease (PUD), and the use of nonsteroidal anti-inflammatory drugs (NSAIDs).

Helicobacter pylori is a bacterium that can erode the stomach lining, leading to ulcer formation. Additionally, a family history indicates a genetic or environmental susceptibility to developing ulcers. NSAID usage is well-documented as a primary cause of ulceration due to their ability to inhibit the production of protective mucus in the gastrointestinal tract.

While stress does play a role in exacerbating symptoms or impacting the healing process, it is not seen as a direct cause. Consequently, it's recognized that stress alone is less likely to result in the formation of ulcers compared to the established factors listed. This distinction is why stress is noted as not being a risk factor in the development of peptic ulcers.