Toroku arsenic disease
Toroku arsenic disease (土呂久砒素公害, Toroku hiso kōgai) was a disease resulting from air and water pollution from a refinery at a mine at Toroku, located in Takachiho, Nishiusuki District, Miyazaki, Japan. It emitted arsenic-containing air, resulting in patients with chronic arsenic poisoning producing skin changes, skin cancers and sometimes lung cancer.