(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.
The most common cause of duodenal ulcer is a stomach infection associated with the Helicobacter pylori (H pylori) bacteria. Other risk factors for duodenal ulcers include overuse of alcohol, tobacco, and medications such as aspirin and nonsteroidal anti-inflammatory drugs (NSAIDs). duodenal ulcer is a type of peptic ulcer that occurs in the duodenum, the beginning of the small intestine. Peptic ulcers are eroded areas in the lining of stomach and duodenum, which result in abdominal pain, possible bleeding, and other gastrointestinal symptoms.