A NASA-funded study says long trips in space could destroy astronauts’ stomachs and cause cancer

Astronauts may not be able to stomach long voyages into space — literally speaking.

A new NASA-funded study reveals that exposure to space radiation on long trips, like a voyage to Mars, could permanently harm astronauts’ intestines and lead to stomach and colon cancer.

The study, published by cancer researchers at Georgetown University Medical Center, used mice to test exposure to heavy ion radiation, which mimics the galactic cosmic radiation found in deep space. If that sounds...

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