00:00Are astronauts aging faster in space?
00:02A new study says yes, and it's not just wrinkles we're talking about.
00:06Scientists just discovered that human stem cells age more rapidly in space.
00:11The focus? Hematopoietic stem and progenitor cells,
00:14the ones that help build your blood and immune system.
00:17After spending just over a month on the International Space Station,
00:21these cells started to show serious signs of aging.
00:24They got worse at making new cells,
00:26suffered more DNA damage,
00:28and even had their telomeres shrink.
00:31Those are like protective caps at the ends of DNA strands.
00:34Basically, their biological clocks sped up.
00:36The culprits? Likely radiation and microgravity.
00:40But here's the twist. Some of that damage might be reversible.
00:43When the aged cells were returned to a healthy environment on Earth,
00:47they started to recover.
00:48It's a hopeful sign, especially with future long-term missions
00:52to the Moon and Mars on the horizon.
00:54This research could help protect astronauts
00:56and even unlock new secrets about aging and disease
00:59right here on Earth.
01:01So yes, space might age your cells faster,
01:04but science might just find a way to hit rewind.
01:06So yes, space may or so continue to engage with the층 of the brain
01:09and the body might change theisco which we have.
01:11So yes, space may be smart.
01:13So yes, space may be with you.
01:15Now we can quickly move on to the next phase,
01:17of which we are going to walk with you.
01:18And now in the next phase of the brain,
01:19the test is important to improve your body.
01:21processes may be useful for the human being.
01:24So yes, space may be part of the primary meaning.
01:26So yes, space may be present.
01:28But they can health, space may be present.
01:30So yes, space may be present.
Comments