Bangladesh, Aug. 22 -- Flight attendants and pilots face the highest risk of dying from radiation-related cancers among more than 500 occupations, according to a new study, exceeding even workers who handle radioactive materials directly.

Cosmic radiation originates from space, and while only a small portion reaches Earth's surface, exposure increases significantly at high flying altitudes, making aircrews particularly vulnerable to related health risks.

The study, published on August 17 in JAMA Internal Medicine, analyzed national data from more than 12 million death certificates containing occupational information. Researchers examined death rates from cancers linked to radiation, including leukemia, lymphoma, multiple myeloma, and ca...