EditorialHistorian David Kertzer, right, breakfasts with his Italian collaborator, Robert Benedetti, in Rome on May 13, 2022. (Massimo Berruti/The New York Times)
EditorialDarshna Shah and her dog Karl Malone, whose breakfasts include ashwagandha root and psyllium husk powder, at home in Cerritos, Calif., Feb. 3, 2022. (Ryan Young/The New York Times)