Multiple myeloma is a blood cancer that affects the bone marrow, bones, kidneys, and immune system. Advances in treatment are helping patients live longer and feel better. Here’s the quick overview:

• What it is: A blood cancer that affects plasma cells, weakening your bones, kidneys, and immune system.

• Who’s at risk: Most common over age 65, higher risk for Black people, and linked to certain chemical/radiation exposures.

• Signs to watch for: Bone pain, frequent infections, tiredness, weight loss, or kidney problems.