This is what I found on CBSNEWS.COM:

Retired astronaut Scott Kelly, who spent 340 days in spaceduring an extended stay aboard the International Space Station in 2015-16, did not suffer any major long-term health effects that might raise warning signs for future long-duration flights, scientists reported Thursday.

“The results we’ve seen … show the resilience and robustness of the human body,” said Steven Platts, deputy chief scientist with NASA’s Human Research Program. “We’ve evolved here on Earth in a one-(gravity) environment, we grow up, we train, we do everything here, and yet, when we go into space … our bodies adapt and continue to function and by and large, function extremely well.

“Changes that were seen in Scott, the vast majority of them came back to baseline in a relatively short period of time when he returned to Earth. And those that did not are markers of things we already knew were likely to happen. … This will guide future biomedical space research and allow us to have a safer journey to and from Mars.”

Read more at CBSNEWS.COM.

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