c) Peptic ulcers are caused by eating acidic food.
Peptic ulcer is caused by bacterium Helicobacter pylori.Peptic ulcers are open sores that develop on the inside lining of your stomach and the upper portion of your small intestine.Peptic ulcers occur when acid in the digestive tract eats away at the inner surface of the stomach or small intestine. The acid can create a painful open sore that may bleed. Helicobacter pylori bacteria commonly live in the mucous layer that covers and protects tissues that line the stomach and small intestine. Often, the H. pylori bacterium causes no problems, but it can cause inflammation of the stomach’s inner layer, producing an ulcer.