Although lead improves paint performance, it is a dangerous substance.
If not detected children with high lead levels can suffer from damage to the brain and nervous system, behavior and learning problems, slow growth and hearing problems. Lead is also harmful to adults. Adults can suffer from difficulties during pregnancy, high blood pressure, digestive problems and memory and concentration problems.
Symptoms of lead poisoning at first can easily be mistaken for a cold or the flu. Exposure to lead hazards can cause fatigue, sleep problems, dizziness, irritability, nervousness, headaches, depression, hyperactivity, wrist or foot drop, joint and muscle pain, loss of appetite and stomachaches.