“Eating spicy food causes stomach ulcers.”

For a long time, the idea that fiery foods could "burn a hole" in your stomach and lead to ulcers was a widespread belief, even among medical professionals. This misconception likely originated from the noticeable discomfort and burning sensations many people experience after eating very spicy meals, especially if they already had a sensitive stomach. It seemed logical to associate that immediate irritation with the development of painful sores. As a result, bland diets were often recommended for anyone suffering from stomach issues.

However, scientific understanding revolutionized in the 1980s, largely thanks to the groundbreaking work of Australian doctors J. Robin Warren and Barry Marshall, who later received a Nobel Prize for their discovery. They definitively proved that the vast majority of peptic ulcers are not caused by diet but by an infection with a bacterium called Helicobacter pylori (H. pylori). Another significant cause is the long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and aspirin. In fact, research on capsaicin, the compound responsible for the heat in chili peppers, suggests it might even offer some protective benefits to the stomach lining by stimulating mucus production and inhibiting acid.

The persistence of this myth largely stems from the fact that while spicy foods don't cause ulcers, they can certainly aggravate existing ones or worsen symptoms of indigestion for some individuals. The burning sensation and abdominal pain felt after a particularly hot dish can easily be mistaken as the cause of an ulcer rather than merely an irritant to an already inflamed or sensitive digestive system. Understanding the true culprits allows for more effective prevention and treatment of ulcers, moving beyond dietary restrictions that are often unnecessary.