(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.
Causes of Ulcers Several factors are known causes of PUD and GERD. Previously, most ulcers were thought to be caused by irritants to the stomach, such as stress, spicy foods, caffeine, tobacco and alcohol. Alcohol in particular is an irritant to the lining of the stomach (mucosa).