2018: Man Banned from Space by Radiation?


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 02 October 2018

ASTROPHYSICS

Man Banned from Space by Radiation?

Animal study suggests deep space travel may significantly damage GI function in astronauts,
Georgetown University Medical Center, October 1, 2018.

MAIN POINTS

Cosmic Radiation
“Simulations with animal models meant to mirror galactic cosmic radiation exposure to astronauts are raising red flags...”

Serious Stomach Probs
“...deep space bombardment by galactic cosmic radiation (GCR) could significantly damage gastrointestinal (GI) tissue leading to long-term functional alterations. The study also raises concern about high risk of tumor development in the stomach and colon.”

Other Risks
“...previous work has highlighted potential impairment to brain tissue as well as accelerated aging on long space trips due to the effect of energetic heavy ions, which don't affect Earthlings due to the protective global magnetosphere.”

Current Situation
"With the current shielding technology, it is difficult to protect astronauts from the adverse effects of heavy ion radiation. Although there may be a way to use medicines to counter these effects, no such agent has been developed yet."

“Even though a very low dose was delivered over the equivalent of months-long period in deep space, the effects of heavy ion radiation appeared to be permanent.”

 

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radiation threatens manned space flight

 

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