Why Astronauts’ DNA is Changing in Space ?

Astronauts come back from space with the same DNA code… but their bodies may be using that DNA differently. 🚀🧬 In this video, we break down why long space missions can shift gene activity through epigenetics, and why it’s not only about space radiation. We’ll explore how microgravity changes the “push and pull” your cells normally feel on Earth, how that can ripple into gene expression, immune signals, and stress responses, and what scientists learned from the famous NASA Twins Study with Scott Kelly in space and Mark Kelly on Earth.

You’ll also learn why telomeres became one of the biggest plot twists in astronaut biology, how NASA tracks these changes with modern “omics” research, and what all of this means for future missions to the Moon and Mars 🛰️🌕—where humans will spend longer periods living far from Earth’s protection. If you’ve ever wondered how space can reshape the body at the smallest level, this is the full story in simple, clear language. 🌍✨

Thanks for watching! 🙌 If this helps, please like, subscribe, and share it with someone who loves space science. ❤️🚀

Credit to : ScienceThread

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