I recently had lunch with a group of fellow multiple myeloma patients, during which we touched on the problems we patients have had with memory and cognitive issues.

We all agreed that the treat­ments we have received seem to have affected our states of mind.

For me, that was particularly true after my stem cell trans­plant in January 2010. I was dealing with many aspects of "chemo brain" at the time. These problems included short-term memory loss, slower thinking, and trouble concentrating. Sometimes I would walk into a room to get …