一項針對5000多名美國空服員進行的研究顯示，空服員罹患某些癌症的機率高於平均值。研究人員說，這可能是晝夜節律紊亂、睡眠被剝奪和居家及工作時間不規律等眾多因素所導致。
哈佛大學陳曾熙公共衛生學院（Harvard TH Chan School of Public Health）研究人員、研究共同執筆人莫杜克霍維奇（Irina Mordukhovich）說：「我們發現，空服員罹患乳癌、黑色素瘤皮膚癌和非黑色素瘤皮膚癌的終身盛行率高於普羅大眾。」
這份26日公布的研究發表於「環境健康展望」（Environmental Health Perspectives）期刊。
莫杜克霍維奇在聲明中說：「由於這個職業族群體重超標和吸菸的比例很低，這項結果令人震驚。」
在參與研究的5366名空服員中，超過15%表示曾確診罹患癌症。
研究發現，在將年齡列入考量的情況下，空服員罹患研究中各種癌症的機率較高。
約有3.4%的女性空服員罹患乳癌，一般大眾則為2.3%。
女性空服員罹患子宮癌的機率為0.15%，高於一般人的0.13%；子宮頸癌1.0%，一般人是0.70%；胃或結腸癌0.47%，一般人則為0.27%；甲狀腺癌0.67%，也高於一般人的0.56%。
莫杜克霍維奇說：「這可能是晝夜節律紊亂、睡眠被剝奪和居家及工作時間不規律等綜合因素所導致。」
根據研究，男性空服員罹患皮膚癌風險較高，患上黑色素瘤皮膚癌和非黑色素瘤皮膚癌的機率分別是1.2%和3.2%，相較之下，成年人罹患這兩種癌症的機率分別是0.69%和2.9%。
機組人員經常接觸已知和可能的致癌物，包括太空的宇宙輻射、晝夜節律紊亂和可能的化學汙染物。
參與研究的空服員中，超過80%是女性。這些空服員的平均年齡為51歲，從事空勤職務長達20多年。
A study of more than 5,000 US flight attendants showed that flight attendants were more likely to suffer from certain cancers than the average. The researchers said that this may be caused by many factors such as circadian rhythm disorder, sleep deprivation and irregular home and working hours.
Irina Mordukhovich, a researcher and research co-author at Harvard TH Chan School of Public Health, said: "We found that flight attendants have breast cancer, melanoma skin cancer and non-melanoma. The lifetime prevalence of skin cancer is higher than that of the general public."
The study, published on the 26th, was published in the journal Environmental Health Perspectives.
Modukhovich said in the statement: "This result is shocking because the occupational group is overrepresented and smoking is very low."
More than 15% of the 5,366 flight attendants who participated in the study said they had been diagnosed with cancer.
The study found that in the case of age considerations, flight attendants were more likely to suffer from various cancers in the study.
About 3.4% of female flight attendants have breast cancer, compared with 2.3% in the general public.
The probability of female vacancies suffering from uterine cancer is 0.15%, which is higher than 0.13% of the average person; cervical cancer is 1.0%, the average person is 0.70%; stomach or colon cancer is 0.47%, the average person is 0.27%; thyroid cancer is 0.67%, also It is 0.56% higher than the average person.
Modukhovich said: "This may be caused by a combination of circadian rhythm disorders, deprivation of sleep and irregular home and working hours."
According to the study, male flight attendants are at higher risk of skin cancer, and the odds of developing melanoma skin cancer and non-melanoma skin cancer are 1.2% and 3.2%, respectively, compared with the probability of adults suffering from these two cancers. They are 0.69% and 2.9% respectively.
Crew members are exposed to known and potential carcinogens, including cosmic radiation in space, circadian rhythm disorders, and possible chemical contaminants.
More than 80% of the flight attendants who participated in the study were women. These flight attendants have an average age of 51 years and have been in the air for more than 20 years.
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