What are the risk factors of developing myeloma?

What are the risk factors of developing myeloma?
What types of infections have been seen with CAR-T and BsAb therapy? Why are these infections prevalent ? How are serious infections mitigated after CAR T cell and BsAb therapy?
BETA - What are oncogenes and tumor suppressor genes and how do they work? Are these genes inheritable? How are they detected? What happens if there is a mutation in one of these genes?
Are my family members at greater risk of developing myeloma?
BETA What are computational models, and how are they used in personalizing treatments?
BETA What is precision and personalized medicine