Long Space Missions Linked to Higher Hip Fracture Rates After Return

A new study has found an association between space missions lasting more than 90 days and higher rates of hip fractures after returning to Earth.

The finding draws attention to health effects that may persist beyond the end of a mission, shifting the focus from time spent in space to the period after astronauts come home.

The study summary did not specify the size of the increase in fracture rates or how long after a mission the fractures occurred. It also did not provide details about the people studied.

The reported association does not, on its own, establish that extended space travel caused the fractures. Further details would be needed to assess the link and whether other factors contributed.

The finding nevertheless points to post-mission bone health as an issue warranting closer attention, particularly for those returning from longer stays in space.