A French court has for the first time recognized cosmic radiation as a contributing occupational factor in a flight attendant's breast cancer, alongside passive smoking and years of night work. The landmark ruling could open the door to similar claims from other aircrew, as research continues to link long-term high-altitude flying with elevated exposure to radiation-related cancers. The BBC reports: Sophie Lainault, a 59 year-old former stewardess on Air France, sought to have her cancer recognized as an occupational disease, brought on by conditions at work. This has now been confirmed in a landmark court ruling in the southwestern town of Bayonne, which said that cosmic radiation was one of three carcinogenic hazards arising from her profession. [...] As stewardess and later purser on Air France airliners, Lainault clocked up 12,600 flight hours between 1989 and 2019. More than half of these were at night. Many long-distance high-altitude flights from Paris would have taken her near the North Pole, where exposure to radiation from space -- strictly speaking particles from the sun and other stars -- is the most intense.
A study this month at the Harvard Medical School in the US found that flight attendants and pilots had the highest level of radiation-related cancer deaths among more than 500 different professions. In all, about 6.9% of deaths among flight attendants and 6.7% of deaths among pilots were from radiation-related cancers, according to the analysis. These proportions were higher than for other professions including nuclear technologists, who are routinely exposed to radiation from non-cosmic sources yet placed 12th on the list, the authors said. "In France the link between breast cancer and certain hazards has been established for a number of professions, such as nurses ... but this is the first time for an air-hostess," said Lainault's lawyer Elisabeth Leroux.
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