Answers. Relevance. Rating Newest Oldest. Best Answer: a Spanish term that was formerly used in the Spanish Empire to designate people of mixed European (Spaniard) and Amerindian ancestry living in the region of Latin America.[1] The word originated from the Romance language / Latin word Mixticius, meaning mixed.
For centuries, lead toxicity has been one of the most significant preventable causes of neurologic morbidity from an environmental toxin. A heavy metal, lead is ubiquitous in our environment but has no physiologic role in biological systems.
Lead Poisoning in Oregon. Lead poisoning is a significant health concern. Laws and regulations are in place to help protect people from being poisoned, however lead poisoning still threatens many Oregonians, especially children. Although leaded paint and gasoline are no longer used in the United States, many children are still exposed to dangerous amounts of lead. 1  Lead paint dust is the most common way people are exposed.