THIS IS A REALITY CHECK, SCARY READING THIS STUFF AND I BELIEVE THAT THIS COULD REALLY BE IN AIRCRAFT CABINS/COCKPITS AND REALLY JEOPARDISING THE TOTAL HEALTH QUALITY OF SOME US WHO ARE FREQUENT FLYERS,THIS IS SERIOUS ENOUGH FOR MORE RESEARCH AND ENLIGHTENMENT,THIS LITERATURE IS A MUST READ FOR AWARENESS,MAKE YOUR OWN DEDUCTIONS,IT IS WELL