(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.
Aspirin can also contribute to the formation of peptic ulcers. These are sores that develop in the stomach or the first part of the small intestine called the duodenum. Ulcers can cause considerable GI irritation and discomfort, with abdominal pain being the most common symptom.