- A new study examined the brains of eight Russian cosmonauts seven months after they returned from the International Space Station.
- Their brains showed signs of new motor skills, but slightly weaker vision.
- For some space travelers, those changes could be long-lasting.
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Imagine you could throw the perfect bullseye, but you’d have to wear glasses to do it. That’s a trade-off some space travelers may unwittingly make when they venture off the planet.
A study published Friday examined the brains of eight male Russian cosmonauts roughly seven months after they returned from lengthy missions to the International Space Station. The researchers discovered minor changes