(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.
It is not proven that alcohol alone can be the sole cause of an ulcer or whether H. pylori bacteria or NSAID's must also be present. Stress. Stress alone cannot be the sole cause of an ulcer, but it is considered as a contributing factor. Like smoking, both emotional and physical stress will delay the healing process.