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1. This document discusses heavy metal poisoning from various metals including lead, mercury, arsenic, cadmium, iron, fluoride, and manganese. It provides information on sources of exposure, symptoms of acute and chronic poisoning, and clinical effects on organ systems. 2. Three case studies are presented: a 16-year-old girl with lead poisoning from occupational exposure in a pottery business; a 48-year-old fisherman with mercury poisoning from excessive tuna consumption; and a rabbit treated for lead poisoning where the source was later identified. 3. The document emphasizes that heavy metals are toxic when they accumulate in tissues and can cause multi-organ damage over time from chronic exposure through various environmental sources




































