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NASA Study: Space Travel Safe for Astronauts' Arteries

7/30/2025

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Summary

Story summary

NASA's groundbreaking study reveals that long-term space travel on the ISS poses no threat to astronauts' arteries. Analyzing 13 astronauts, researchers found no signs of thickening or dysfunction in carotid arteries after nearly a year in microgravity. While oxidative stress and inflammation were observed, they vanished within a week of returning home, highlighting the need for ongoing monitoring for future missions.

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Story summary

NASA's groundbreaking study reveals that long-term space travel on the ISS poses no threat to astronauts' arteries. Analyzing 13 astronauts, researchers found no signs of thickening or dysfunction in carotid arteries after nearly a year in microgravity. While oxidative stress and inflammation were observed, they vanished within a week of returning home, highlighting the need for ongoing monitoring for future missions.