#MakeAmericaSmartAgain First Look at Findings of NASA Twins Study | NASA

This is what's great about scientific discovery. NASA took advantage of having a pair of twins in the program so they could learn more about how space affects humans.

And certainly, this is just the beginning. There is the possibility that we could learn more about the overall human body and how it responds - and how we can make things better for humans.

https://www.nasa.gov/feature/how-stressful-will-a-trip-to-mars-be-on-the-human-body-we-now-have-a-peek-into-what-the-nasa