Option 1: Minamata disease is a neurological disorder caused by mercury poisoning, not cadmium metal pollution.
Option 2: Itai-Itai disease is indeed caused by cadmium metal pollution. It is a condition that primarily affects the skeletal system, causing severe pain and deformation of the bones.
Option 3: Asthma is a chronic respiratory condition primarily caused by allergies, irritants, or genetic factors, not cadmium metal pollution.
Option 4: Dermatitis is a skin inflammation caused by various factors such as allergies, irritants, or infections. It is not directly caused by cadmium metal pollution.
Therefore, the correct answer is option 2, Itai-Itai disease, as it is specifically associated with cadmium metal pollution.