Science Says Airplane Air Is So Bad It’s Making Pilots Sick (and Maybe Frequent Fliers, Too)

Another 20 passengers sued Boeing in 2007 over the same kind of issue, alleging that, according to The Wall Street Journal, "bleed air contaminated by an oil leak made them sick on a Boeing 767, … [including] respiratory problems, severe headaches, vomiting, bowel problems and extreme fatigue.".