(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.
Most duodenal ulcers are caused by the H pylori bacteria. This bacteria burrows into the lining of the stomach and duodenum, thereby compromising the protective layer. Acid and digestive enzymes then cause the ulcer. Gastric Ulcer. A gastric ulcer is located in the stomach proper and is second most common of the types of stomach ulcers. This ulcer type is also caused by H pylori the majority of the time. Gastric ulcers do have a few differences.