(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.
Back to TopCauses. Non-cancerous (benign) gastric ulcers are caused by an imbalance between stomach acid, an enzyme called pepsin, and the natural defenses of the stomach''s lining. This imbalance leads to inflammation, which can be made worse by aspirin and nonsteroidal anti-inflammatory medications (NSAIDs) such as ibuprofen.