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 occurs when you absorb too much lead by breathing or swallowing a substance with lead in it, such as paint, dust, water, or food. Lead can damage almost every organ system. In children, too much lead in the body can cause lasting problems with growth and development.thers at risk for lead poisoning include people who: 1  Drink water that flows through pipes that were soldered with lead. 2  Work with lead either in their job or as a hobby (for example, metal smelters, pottery makers, and stained glass artists). 3  Eat food from cans made with lead solder. 4  Cook or store food in ceramic containers. 5  Eat or breathe 6  ... Liv