Flight Attendants Show Higher Cancer Risks
https://ift.tt/2N0z0y0 However, it's also possible that there are factors unrelated to flight attendants' jobs, said Dr. Paolo Boffetta, a professor of oncology and environmental medicine at Mount Sinai's Icahn School of Medicine, in New York City. "For example, they may have more UV [sun] exposure because of their opportunity to travel," said Boffetta, who was not involved in the study. In addition, he said, women on aircrews may put off having children or have fewer kids, compared with other women. And reproductive factors like that are associated with the risk of breast cancer. Still, McNeely said, her team found some evidence that the longer flight attendants had been on the job, the higher their cancer risk was. Among women, the risk of non-melanoma skin cancer rose in tandem with job tenure. That supports the theory that job exposures are the culprit, McNeely said. The findings, published June 25 in the journal Environmental Health, are based on 5,366 flight attendants who were part of an ongoing Harvard study begun in 2007. They were surveyed about their health in 2014-15, when they were an average age of 52 years old. McNeely's team compared their cancer rates with a nationally representative sample of 2,729 adults with similar demographics. Overall, 3.4 percent of female attendants had been diagnosed with breast cancer, versus 2.3 percent of other U.S. women. Meanwhile, 2.2 percent had been diagnosed with melanoma, compared with just under 1 percent of other women. The biggest difference was seen in rates of non-melanoma skin cancers -- which are highly curable. Over 7 percent of female flight attendants had been diagnosed with those cancers, compared to just under 2 percent of other women. Male flight attendants had higher rates of skin cancers than other men. But the differences were not significant in statistical terms. According to McNeely, the findings will "not be news" to aircrews. They've long been aware their occupation may be linked to increased cancer risks. The question is, if the causes are unclear, what can be done? McNeely noted that the European Union has already taken a step -- requiring that aircrews be monitored for their radiation exposure. If it reaches a certain level, their work schedules are adjusted. Health via WebMD Health https://www.webmd.com/ June 26, 2018 at 02:37PM
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