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Today’s DNA, Immunity, Time Studies Boost Health in Space and on Earth

21 May 2019, 19:35 UTC
Today’s DNA, Immunity, Time Studies Boost Health in Space and on Earth
(200 words excerpt, click title or image to see full post)

The full moon is pictured from the International Space Station as the orbiting complex orbited 263 miles above the South Atlantic Ocean.
The Expedition 59 crew is spending all day Tuesday exploring how astronauts adjust with Earth’s gravity no longer bearing down on them. Spacewalk preparations and lab maintenance are also ongoing aboard the International Space Station.
Station crewmembers and future astronauts going to the Moon in 2024 have to adjust to the lack of a sunrise/sunset cycle humans experience everyday on Earth. As a result, time perception is impacted and may affect sleep and work patterns. Astronauts Anne McClain, Nick Hague and David Saint-Jacques started the day on a study, going on since July 2017, exploring subjective changes in time that can alter physical and cognitive performance.
Hague later sequenced DNA samples for a study exploring how increased exposure to space radiation impacts crew health. He used the Biomolecule Sequencer for the investigation to demonstrate DNA sequencing in space. The Genes In Space-6 experiment is researching how space radiation damages DNA and how the cell repair mechanism works in microgravity.
Immune system studies continued full speed ahead today to test the hypothesis the immune response decreases in space. Astronaut ...

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