The problem of contaminated air on planes

AT 30,000 feet the skies may be clear, but the oxygen certainly is not. Anyone who has wheezed his way through a long plane journey will know that cabin air is hardly pristine. Nearly all aircraft draw in air by way of the plane’s engine compressor. It is common for a small amount of oil to leak over the engine, which then contaminates the stuff that passengers and crew members breathe. Most of the 3.5bn passengers who traveled by plane in 2015 were probably exposed to at least a low level of contamination. But frequent exposure can come with debilitating symptoms, including memory impairment, dizziness and vision problems.

A recent study from the University of Stirling and the University of Ulster reveals the scale of the problem. Researchers examined hundreds of aeroplane crew members and discovered a direct link between air contamination and respiratory, cognitive and even neurological health…Continue reading

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