Also written "itai itai," the disease can lead to a condition called osteopenia, which is a weakening of the bones because of depleted calcium levels. Weakness, fractures and pain result from this calcium loss. Itai-itai can also result in lung and kidney problems as well as cancer. A urine test can help determine if cadmium is causing a person’s symptoms, and a blood test can ascertain if a toxic level of cadmium is present in the body