Multiple myeloma is cancer in the plasma cells, which are part of the immune system; and is diagnosed by the presence of M-proteins in the blood and urine. The plasma cells multiply, crowd bone marrow, and produce large amounts of abnormal proteins—in particular, “M-proteins”. Streptococcus and mycoplasma are known to have M-proteins attached to the surface (although other pathogens also have or impact M-proteins). An immune system attack against the pathogen can cause M-proteins to be released into the body…..