Bryan Johnson, the American entrepreneur known for his age-reversal and longevity experiments, left an interview midway in India complaining of the poor air quality.

Johnson, during an interview with Zerodha founder Nikhil Kamath for his podcast show, said on X, “The problem was that the room we were in circulated outside air, which made the air purifier I’d brought with me ineffective.”

When Kamath asked how bad the air pollution was, Johson said, “I can’t see you over there.”

After a video of his sudden departure from the interview went viral on social media, Johnson explained on his X account that the air quality inside the room was 130 and PM2.5 was 75 µg/m³ “which is equal to smoking 3.4 cigarettes for 24 hours of exposure.”

He added that it was only his third day in India and his skin had already broken out and the pollution made his eyes burn.

“Air pollution has been so normalized in India that no one even notices anymore despite the science of its negative effects being well known. People would be outside running. Babies and small children exposed from birth. No one wore a mask which can significantly decrease exposure. It was so confusing,” he said.

He was, in fact, wearing a mask during the interview with Kamath.

“The evidence shows that India would improve the health of its population more by cleaning up air quality than by curing all cancers,” he further wrote.

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‘My air purifier turned infective’: Bryan Johnson leaves Nikhil Kamath podcast midway over pollution in India