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8 Weird Things That Happen To Your Body If You Live In Space For A Year

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Skye Gould, Dave Mosher and Rebecca Harrington

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Former NASA astronaut Scott Kelly.Bill Ingalls/NASA

In the name of science, former NASA astronaut Scott Kelly shoved himself into the top of a rocket, accelerated to 17,500 mph, and fell around Earth for 340 days — nearly an entire year.

The lack of gravity, radiation exposure, Kelly's diet, and other facts of life in orbit affected his body in significant ways — including, as NASA is learning now, even perhaps his genetic blueprint.

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The Twin Study, which is still in progress, uses Scott Kelly's identical twin brother and fellow former astronaut, Mark Kelly, to unmask the subtle but important effects of long-duration space travel on the human body.

Here are eight biological oddities that researchers have found happen to your body if you're in space for a year.

Your face looks different.

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Your bone density can change.

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Your body fluids shift.

Your sight could change.

Your muscles can atrophy.

You'll be sleepy.

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Your cancer risk increases.

You get taller — until you get back to Earth.

Read the original article on Business Insider. Follow us on Facebook and Twitter. Copyright 2018.

Read next on Business Insider: Astronaut Scott Kelly: 'I think that China will overtake the US in the space business — if we allow them to'


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