(See How Catalytic Converters Work for more details.). Controlling the engine is the most processor-intensive job on your car, and the engine control unit (ECU) is the most powerful computer on most cars.
â¢ Accidental poisoning is one of the leading causes of GI ulcer disease. This can be from plants (for example, toxic mushrooms, castor beans, or sago palm), pesticide or rodenticide toxicity, chemical poisoning (often with ethylene glycol or phenol), or heavy metal poisoning involving zinc, iron, or arsenic.
Causes of Peptic Ulcers. Different factors can cause the lining of the stomach, the esophagus, and the small intestine to break down. These include: 1  Helicobacter pylori (H. pylori) - a bacteria that can cause a stomach infection and inflammation. 2  frequent use of aspirin, ibuprofen, and other anti-inflammatory drugs (risk associated with this behavior is increased in women and people over the age of 60). 3  smoking. 4  drinking too much alcohol.