Some astronauts at risk for cognitive impairment, animal studies suggest

Rats exposed to high-energy particles, simulating conditions astronauts would face on a long-term deep space mission, show lapses in attention and slower reaction times, even when the radiation exposure is in extremely low dose ranges, new research shows. The cognitive impairments — which affected a large subset, but far from all, of the animals — appear to be linked to protein changes in the brain, the scientists say.

from Space & Time News — ScienceDaily http://ift.tt/1prrb60

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