Written by Martha Gershun, Guest Blogger “I’m probably too old to be a kidney donor,” is a very common concern for those considering living donation. I know age was very much on my mind when, at age 60, I volunteered to donate to a 56-year-old woman I read about in our local newspaper. I had recently received a letter from Be The Match®, the national bone marrow donor registry informing me that I would “age …