Home / Science / Space Radiation: A Deadly Threat to Astronaut Hearts
Space Radiation: A Deadly Threat to Astronaut Hearts
18 Aug
Summary
- Space radiation may significantly increase cardiovascular disease risk for astronauts.
- New research suggests arteries could be severely damaged by deep space radiation.
- New spacecraft technology is needed for long-term human space missions.
The extreme conditions of deep space present a serious risk to astronaut health, particularly cardiovascular well-being. Early studies suggested a heightened risk of heart disease among Apollo astronauts who traveled to the Moon, though these findings were debated due to small sample sizes and individual health factors. However, ongoing research continues to highlight the potential dangers of space radiation.
Recent investigations, utilizing advanced simulations at NASA's Space Radiation Laboratory, have exposed mice to radiation mimicking long-duration deep space missions. The results showed significant damage to the endothelial lining of arteries, raising concerns about widespread clotting and fatal outcomes if experienced by humans. This damage could be catastrophic for entire crews on extended missions.
Further analysis indicated that space radiation destabilizes artery-clogging plaque, posing a considerable challenge for future long-term lunar and Martian expeditions. Consequently, space agencies are exploring solutions such as underground habitats on the Moon and developing protective gear like the AstroRad space vest, which showed promise in reducing radiation doses during the Artemis I mission.
