(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.
Acid and Pepsin. Too much acid and pepsin can damage a healthy stomach lining and cause ulcers. Most times the damage is caused by other factors first, weakening the stomach linings protective mucus layer defenses to a point when even an ordinary level of gastric acid can cause an ulcer. Too much acid can also cause acid reflux, or GERD, which is really chronic heartburn.