"Journalist and author of 'Breath'; guest on the episode providing expertise on respiratory health and history."

"Guest on this episode, author of a book on breathing, sharing research and personal experiences."

"Guest on the episode, author of 'Breath', discussing air quality research and CO2 monitoring."

"Guest on the episode, speaking directly with the host about breathing mechanics and his expertise as a writer."

"Guest on the podcast, author of 'Breath', discussing breathing protocols and his career as a writer."