Lead

Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body.[2] Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, and tingling in the hands and feet.[1] It causes almost 10% of intellectual disability of otherwise unknown cause and can result in behavioral problems.[2] Some of the effects are permanent.[2] In severe cases, anemia, seizures, coma, or death may occur. https://en.wikipedia.org/wiki/Lead_poisoning