(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 two most common causes of peptic ulcers are: 1  Infection with Helicobacter pyloriHelicobacter pylori (H. pylori) bacteria. 2  Nonsteroidal anti-inflammatory drugs (NSAIDs)Nonsteroidal anti-inflammatory drugs (NSAIDs) . Infection with Helicobacter pyloriHelicobacter pylori (H. pylori) bacteria. 2  Although many people are infected with H. pylori bacteria, only a few get ulcers. 3  Nonsteroidal anti-inflammatory drugs (NSAIDs)Nonsteroidal anti-inflammatory drugs (NSAIDs) .