The causes of multiple myeloma is quite difficult to explain what exactly provokes malignity of plasma cells, and it makes the situation even more complicated. It is hard to forecast or prevent the disease. The worst thing cancer cells can do is the destruction of bones in specific areas of human body. They simply press out the healthy cells, responsible for creating antibodies. The entire immune system loses its qualities. The blood gets thicker. Our kidneys and nerves are the first organs to be attacked.