Medical tests started in the 1940s and 1950s, searching for the cause of the disease. Initially, it was expected to be lead poisoning due to the lead mining upstream. Only in 1955 did Dr. Ogino and his colleagues suspect cadmium as the cause of the disease. Ogino coined the term itai-itai disease.
Salix babylonica, commonly called weeping willow or Babylon weeping willow, is a medium to large deciduous tree with a stout trunk topped by a graceful broad-rounded crown of branches that sweep downward to the ground.It grows to 30-50â (sometimes to 60â) tall and as wide.It is native to China.alix babylonica, commonly called weeping willow or Babylon weeping willow, is a medium to large deciduous tree with a stout trunk topped by a graceful broad-rounded crown of branches that sweep downward to the ground. It grows to 30-50â (sometimes to 60â) tall and as wide. It is native to China.
Dwarf weeping trees are popular as are weeping roses trees (bushes). Weeping trees in a range of forms are most popular in the following states: West Virginia, Ohio, Kentucky, Indiana, Tennessee, Pennsylvania, Idaho, Michigan, North Carolina, Missouri, Rhode Island, Connecticut, Maryland, Utah and New Jersey.any varieties such as dwarf weeping trees, are available for sale online including weeping mulberry tree weeping birch tree or a weeping maple or willow all sold as balled and burlapped, or bare rooted plants the during dormant season.