![](https://flightsafety.org/wp-content/uploads/2016/08/cabinsafety_jul-aug16_opening-e1475081621654.jpg)
Despite years of research, aeromedical specialists lack the information they need to quantify the potential health risks of exposure to bleed-air contaminants in airplane cabin air, a report for the U.S. Federal Aviation Administration (FAA) Civil Aerospace Medical Institute (CAMI) says.1