(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.
Ulcer Causes. Direct physical damage could have caused your ulcer. If you drink alcohol heavily, you could erode your stomach lining. Chemical burns or scalding could trigger the problem, and nonsteroidal anti-inflammatory drugs such as ibuprofen set the stage for stomach damage by reducing blood flow.