
Lead - Wikipedia
Lead is a neurotoxin that accumulates in soft tissues and bones. It damages the nervous system, interferes with biological enzymes, and can cause neurological disorders ranging from behavioral …
Learn about Lead | US EPA
Sep 9, 2025 · This page provides basic information on lead including what it is, where it is found, how one can be exposed, and the health effects associated with lead.
LEAD Definition & Meaning - Merriam-Webster
Lead is both a noun and a verb, as most people know. There are several unrelated nouns spelled lead: one most commonly refers to a metal (as in, "The paint was made with lead"), and the other most …
Lead Fact Sheet – Stanford Environmental Health & Safety
Lead is a naturally occurring, soft, bluish-gray heavy metal. Although nearly 50% of lead used today comes from recycled materials such as car batteries, its most common source is the mineral Galena …
Lead | Definition, Uses, Properties, & Facts | Britannica
Oct 31, 2025 · Lead, a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table. Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity and …
Lead poisoning - Wikipedia
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by the presence of lead in the human body. [2] Symptoms of lead poisoning may include abdominal pain, …
Lead | US EPA
Dec 8, 2025 · Learn about the health effects of lead, who is at risk, how to test for lead in paint or other areas of your home, how to find or become a lead-safe certified firm, and more about the Lead …
What is Lead? - US EPA
Oct 28, 2025 · Answer: Lead is a toxic metal that was used for many years in products found in and around our homes. Lead also can be emitted into the air from motor vehicles and industrial sources, …
EEC : Login - Massachusetts
LEAD - EEC Provider Licensing Portal The LEAD Portal is for EEC Licensed and Funded Programs to apply for and renew their license, respond to visits and investigations, submit transactions, access …
Lead Poisoning | Department of Health | Commonwealth of Pennsylvania
Lead can be very harmful, especially to young children. The most important step parents can take is to prevent lead exposure before it occurs. Childhood lead poisoning at low levels may make learning …