Poison in the sky: The air travel industry has been putting profit over safety by ignoring aerotoxicity – Natural News 12.1.17

(NaturalNews) Have you ever wondered how jet airliners supply fresh air to passengers while flying at high altitudes? Everyone on board relies on this air supply, but where does it come from, and why hasn’t the aviation industry informed us of its health hazards? For 40 years, the air travel industry has kept this design secret.…