cadmium poisoning

Cadmium poisoning is mainly caused by inhaling cadmium smoke or cadmium compound dust. A large amount of inhalation can cause acute pneumonia and pulmonary edema; Chronic poisoning causes pulmonary fibrosis and kidney diseases. Industries exposed to cadmium include the smelting, spraying, welding and casting of bearing surfaces, cadmium rods for nuclear reactors or graphite rods covered with cadmium.