Why is excess lead in faucets a concern? Explaining the dangers of lead poisoning

There are two usual sources of lead in the body: diet and the atmosphere. The main ways for lead to enter the body are: respiratory tract, digestive tract and skin. Normal atmospheric lead content is very small, but in large industrialized cities lead concentration can be up to 1-8ug/m3, especially in some industrial areas and traffic congestion, lead concentration is higher. Lead and lead compounds in the atmosphere mainly enter the human body through the respiratory tract.

"What are the symptoms of lead poisoning?

After lead enters the human body, except for part of it being excreted through feces and sweat, the rest of it dissolves into the blood after a few hours, hindering the synthesis of blood and leading to anemia, headache, dizziness, weakness, drowsiness, constipation and limb pains, etc.; some people have a metallic taste in their mouths, and some people suffer from hardening of the arteries, peptic ulcers and hemorrhages in the fundus of the eyes, etc., which are also related to lead contamination.

"What are the clinical symptoms of lead poisoning?

Lead poisoning affects many organs of the human body, including nausea, vomiting, loss of appetite, abdominal distension, constipation, blood in the stool, abdominal cramps, dizziness, restlessness, insomnia, drowsiness, agitation, pallor, palpitations, shortness of breath, lumbago, swelling, proteinuria, hematuria, tubular urine, and in severe cases, kidney failure. If a pregnant woman is inadvertently poisoned by lead during pregnancy, it may also cause miscarriage, stillbirth or malformation of the baby.