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.
What is lead poisoning? Lead poisoning happens when you have dangerous levels of lead in your blood. It commonly happens from the accidental inhalation or ingestion of items that contain lead. Lead is found in paint, batteries, and gasoline fumes. Lead is easily absorbed and can cause nervous system damage.