(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.
Other causes of duodenal ulcer include agents that can cause inflammation of the stomach or duodenal lining, including alcohol, tobacco, or medications such as nonsteroidal anti-inflammatory drugs (NSAIDs). Severe illness and radiation therapy have also been associated with duodenal ulcer.