Kate McKinnon Reveals “Geographic Tongue” Diagnosis, Headlines SmartLess Podcast

Lead Comedian and actress Kate McKinnon today disclosed she has been diagnosed with geographic tongue and appeared on the SmartLess podcast to discuss her health and latest projects on September 15, 2025.

Nut Graf McKinnon’s candid revelation highlights a little‐known but harmless condition affecting up to 2.5 percent of people worldwide, while her SmartLess appearance underscores her ongoing engagement with fans and media.

Health Disclosure

  • McKinnon told OnlyMyHealth that she and an actor friend compared tongue photos after noticing map‐like patches on their tongues.
  • Geographic tongue causes smooth, red areas with raised edges and can provoke mild burning when eating spicy or acidic foods.
  • Experts advise symptom management through avoiding triggers, maintaining oral hygiene, and using topical treatments as needed.

Podcast Appearance

  • On the SmartLess podcast, McKinnon joined hosts Jason Bateman, Sean Hayes, and Will Arnett for a 53-minute episode released this morning.
  • Topics ranged from ASMR and traffic woes to behind-the-scenes anecdotes from her film and writing careers.
  • Fans praised her humor and openness, driving the episode to the top of chart rankings shortly after release.

Ongoing Projects McKinnon continues promoting her Millicent Quibb middle-grade mystery series, with the sequel Secrets of the Purple Pearl set to debut this fall. She also hints at new film roles and occasional returns to live comedy events.