A recent study has found that flight attendants and pilots face a higher risk of radiation-related cancers compared to individuals working with radioactive materials. Cosmic radiation, originating from space, poses a greater exposure risk to individuals at higher altitudes, such as those in the aviation industry.
The study, published in JAMA Internal Medicine, analyzed national data from over 12 million death certificates, examining cancer death rates linked to radiation exposure. Among more than 500 occupations studied, flight attendants had the highest percentage of deaths from radiation-related cancers, followed by pilots. The study highlighted significantly elevated odds of dying from various radiation-related cancers for these two occupational groups.
Researchers emphasized that neither flight attendants nor pilots exhibited higher-than-normal death rates from cancers unrelated to radiation exposure. This supports the theory that occupational radiation exposure, rather than other factors like lifestyle or socioeconomic status, contributes to the observed excess in cancer-related deaths.
The study also challenged the misconception that flight crews’ increased risk of skin cancer is solely due to sun exposure during layovers. The researchers suggested that cockpit environments may play a more critical role in elevated skin cancer rates among pilots.
Flight attendants were found to have a 50% higher likelihood of dying from radiation-related cancers compared to the general working population, while pilots had a 36% higher risk. The study’s authors acknowledged limitations, including the inability to quantify specific radiation exposure levels for each individual and potential misclassification of occupations on death certificates.
Concerns were raised about the lack of federal regulations regarding radiation exposure monitoring for aircrews, emphasizing the need for heightened awareness and preventive measures. Recommendations included regular skin examinations for high-altitude workers, earlier or more frequent mammograms for women in these professions, and increased vigilance for cancer during medical evaluations of pilots and flight attendants.
The study underscores the importance of addressing radiation-related health risks in the aviation industry and implementing strategies to protect the well-being of flight crews.