Starcast Join the waitlist
Next Question with Katie Couric

Next Question with Katie Couric

The Art of Aging: Word of Mouth

Oct 21, 2026 · 1h 30m

Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.

On this episode

About this episode

When we talk about aging well, we focus on our hearts, our brains, and our muscles, but we almost never talk about our mouths. After this conversation, I think that’s a big oversight. In this episode of The Art of Aging, Dr. William Giannobile, Dean of the Harvard School of Dental Medicine, walks me through how our teeth and gums change as we get older, and why what’s happening in your mouth can affect the rest of your body. Roughly half of American adults have some degree of gum disease, and because it’s usually painless until the late stages, he calls it a “silent killer” of teeth. We also got practical: why tooth loss is not a normal part of aging, how medications can dry out your mouth…