Multiple myeloma is a disease that develops in the white blood cells, called the plasma cells. These cells are responsible for keeping the body healthy by fighting off infections by producing antibodies. The inability to perform its function, the cells accumulate in the bone marrow, leaving no space for healthy blood cells, which further causes several complications. Here are some treatments, foods, and lifestyle changes that help manage the illness: Treatment options Car T-cell therapy This is proved to benefit patients who have relapsed or the body has not responded to any of the multiple prior treatments. This is a specialized therapy that uses the patient’s own T-cells to attack the disease-causing agents. BCMA B cell maturation antigen is a targeted immunotherapy treatment to attack the cancer cells. Immunotherapy This treatment option uses the patient’s  immune system to attack the cancer cells. Bone marrow transplant This treatment plan, also referred to as stem cell transplant, replaces the diseased bone with a healthy bone. Foods to eat and avoid Fruits and veggies, rich in antioxidants, are great for managing the illness. Constipation can be a side effect of the treatment, so antioxidant-rich foods and fibrous vegetables can help relieve the condition.