It shows how pressure groups have stated that this air supply sometimes becomes contaminated with neurotoxins, carcinogens, and other hazardous chemicals.

[3] Former British Airways Captain Tristan Loraine, who produced the film, is co-chair of Global Cabin Air Quality Executive (GCAQE).

[4][5] Research by the UK government did not find a link to long-term health problems.

The UK Parliament Select Committee on Science and Technology concluded in 2000 that the concerns about significant health risks were not substantiated.

[6] In 2008 Michael Bagshaw, the former Head Doctor at British Airways, and later an advisor to Airbus, claimed that no peer-reviewed, recorded cases of neurological harm in humans followed low-level exposure to the organophosphate tricresyl phosphate (TCP), which is used as a lubricant in jet engines.