Airplane and hospital air is cleaner than you might think

Nope. Distraction, half-truths, and omission, sadly, probably in response to this investigative journalism: https://www.forbes.com/sites/suzannerowankelleher/2025/09/15...

Before takeoff, on the runway, you smell that toxic gas building up in the cabin? Yeah, probably not good for you.

Got sick after a flight? "Catch a microbe" from a neighbor? Doubtful. You're just releasing the exhaust poisons you breathed in the cabin (through mucous, etc).

Northwestern, take note!