"Disinsection" spraying rules out flying from certain locations for those with acute sensitivities to pyrethroid-based insecticides, but these poisons are hazardous for everyone in the long term. “A lot of what we call jet lag may actually be pesticide poisoning,” says toxicologist Gary Ordog in Santa Clarita, Calif., who estimates he has treated more than 30 United employees as well as flight attendants from Alaska and Northwest airlines for illnesses related to pesticides".
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