Most myeloma survivors, at one time or another, wonder what caused their myeloma.  I read countless posts to forums from survivors who either lived on a farm to next to one breathing pesticides for years.  The article below confirms pesticide exposure as one of the evironmental causes of myeloma.  Another environmental cause is exposure to benzene in a printing plant.  I worked in a printing plant before my mm diagnosis.

Multiple Myeloma and farming. A systematic review of 30 years of research. Where next?