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Radio in Progress: One Upside of Aging

We’re working on a Freakonomics Radio episode about pain. One component is the very interesting research by Daniel Kahneman and Donald Redelmeier about how colonoscopy patients remember the pain of the procedure, and how that memory can be manipulated (to dim the memory of the pain) so that patients aren’t reluctant to return for their next colonoscopy.
Yesterday I had the chance to interview Redelmeier, a medical professor, clinician and researcher at the University of Toronto. This was a real treat. You may remember reading about some of Redelmeier’s quirky research on this blog; he was also profiled in the Times. Here’s one small portion of the interview that I found particularly compelling:

SJD: So, what are the characteristics of people who take pain poorly or well?
Redelmeier: Oh, that’s sort of a treacherous question for me to try to answer, Stephen. I’d say that the single biggest determinate is the patient’s age — i.e., young people just feel the pain a lot more intensely, whereas older people often are beguiling because they don’t have as much pain as would be normal under the circumstances. I think a lot of that is just related to age related deteriorations in the nerve fibers.
SJD: So their nerve endings just get dull? They’re just not feeling it?
Redelmeier: They’re just not feeling it. And so that you can miss some really big disasters like appendicitis, or gall stones, or other abdominal catastrophes when the patient is like 80 or 90 years old, because they say, ‘Oh, I just have a little bit of an upset stomach, Dr. Redelmeier, it’s really not that bad.’
SJD: So that’s one upside of aging, I guess, is you don’t feel the pain so much? I mean, it makes it harder for you to diagnose, but for the patients it’s a good thing?
Redelmeier: Yeah, it’s sort of like with the deadening of the nerves, which is sort of like a rather faulty adjective. So that it makes the pain less intense as we get older and older.

This episode should hit the stream in two weeks or so. In the meantime, we have a two-parter on food science coming up very soon. It’s called “Waiter, There’s a Physicist in My Soup.” We did a short piece on the topic on Marketplace last night; if all goes well, we’ll post Part 1 of the full podcast right here tomorrow.