Spaceflight does some weird things to astronauts’ bodies

“The Twins Study gave us a first sketch of the human body’s molecular responses to spaceflight, but these outlines needed to be filled in,” says Christopher Mason, an associate professor of physiology and biophysics at Weill Cornell Medicine. “The changes we saw needed more context and replication. We needed additional studies to map out the frequency of the changes we observed in other astronauts, and other organisms, that go into space, and also to see if the degree of change was similar for shorter missions.”

That brings us to a new package of research that builds on the Twins Study,

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