Medical research

Space travel can adversely impact energy production in a cell

Studies of both mice and humans who have traveled into space reveal that critical parts of a cell's energy production machinery, the mitochondria, can be made dysfunctional due to changes in gravity, radiation exposure and ...

Neuroscience

How deep space travel could affect the brain

Exposure to chronic, low dose radiation—the conditions present in deep space—causes neural and behavioral impairments in mice, researchers report in eNeuro. These results highlight the pressing need to develop safety ...

Neuroscience

Female mice are immune to cognitive damage from space radiation

Humankind still dreams of breaking from the bounds of Earth's atmosphere and venturing to the moon, Mars and beyond. But once astronauts blast past the International Space Station, they become exposed to one of the many dangers ...

Medical research

Research uncovers potential health risks of travel to Mars

Sending a manned mission to Mars requires more than a powerful launch rocket. Prep work also includes learning how a three-year space flight could affect the human body. With funding from the National Aeronautics and Space ...

Ophthalmology

Just two weeks in orbit causes changes in eyes

Just 13 days in space may be enough to cause profound changes in eye structure and gene expression, report researchers from Houston Methodist, NASA Johnson Space Center, and two other institutions in the October 2013 issue ...

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Health threat from cosmic rays

The health threat from cosmic rays is the danger posed by cosmic rays generated by the Sun and other stars to astronauts on interplanetary missions. Cosmic rays consists of high energy protons and other nuclei. They are one of the most important barriers standing in the way of plans for interplanetary travel by crewed spacecraft.

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