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Space travel could harm a person's cognitive function.
That's the conclusion reached by scientists from several U.S. universities, who jointly studied the effects of chronic, low dose radiation on mice over six months.
Dr - Charles - Limoli - Colleagues - University
Dr. Charles Limoli and colleagues at the University of California, plus other co-authors at Stanford University, Colorado State University and the Eastern Virginia School of Medicine, exposed mice to high-energy particles more than 24 consecutive weeks.
This accurately reflected the conditions in space - unlike many other previous radiation studies, which relied on short-term, higher dose-rate exposures.
Radiation - Signaling - Hippocampus - Cortex - Learning
Together, they found that the radiation impaired cellular signaling in the hippocampus and prefrontal cortex, resulting in learning and memory impairments.
They also observed increased anxiety behaviors, indicating that the radiation also impacted the amygdala.
Result - Researchers - Space - Mission
As a result, researchers predict that during a deep space mission, approximately one...
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