Oral health is of course important, but what about tooth loss? Edentulism increases with age, and the impact is multifaceted. Some papers cited by a not particularly charismatic yt speaker, but perhaps an entry to a rabbit hole. FWIW, I’ve long been intrigued by the unexpected connections between tooth loss and neurological health - this is real, not some woo.
What Happens If You Lose Your Teeth? (via Neal Hallinan)