Pilots and flight attendants have the highest cancer risk of any occupation. One likely culprit: spending decades at cruising altitude, above much of the atmosphere that normally protects us from cosmic radiation. The study tracked 12.7 million deaths across 503 occupations from 2000 to 2024. The long-term health implications of living on the Moon or in space aren’t rosy based on this data. Source: buff.ly/mkkUISA HT @cmdr_hadfield