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Mars-bound astronauts could face years of heart scarring, rat study hints

Rats that were exposed to radiation similar to what Mars-bound astronauts might face showed higher levels of scar tissue in their hearts, indicating they were more vulnerable to heart failure.

Mars-bound astronauts could face years of heart scarring, rat study hints

We haven't written up this one. Live Science has the full story — the link below goes straight to it.

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