Posted on 03/20/2025 4:46:34 PM PDT by BenLurkin
While there are no scientific studies that link spaceflight to graying hair, NASA has previously suggested that spending time in space can cause “significant physiological changes.”
“Imagine if all of your physiological changes were hyper-accelerated so that you passed through life cycles in weeks as opposed to decades,” NASA wrote online when the agency announced it would be launching a “space-age” research program to study space’s effects on the human body.
“You’d be able to grow a beard overnight or your hair might begin graying in a matter of days or maybe menopause would come knocking by next weekend.”
NASA continued: “This may seem like a far stretch from reality, but spaceflight causes significant physiological changes including an accelerated loss of muscle and bone density, and immune system dysfunction that parallel the effects of natural aging here on Earth.”
In fact, a 2016 study “found that spaceflight alters human hair follicle gene expression,” reporting that, in some astronauts, the genes responsible for regulating hair growth were “upregulated,” meaning the genes could inhibit “cell proliferation” within the hair follicles.
While men appeared to disproportionately experience the phenomenon compared to women, the researchers suggested that, based on their findings, spaceflight could potentially result in hair loss.
Some observers at home have a simpler explanation for WIlliams’ silver tresses: a lack of hair dye aboard the ISS.
“A few have asked me why Sunita Williams has grey hair and looks ‘tired’ coming back home from space,” Emily Carney, a former US Navy nuclear technician and space historian, wrote on Threads.
“This is because in space there’s no hair dye or makeup mirror at your disposal.”
(Excerpt) Read more at duckduckgo.com ...
Bad posting job by yours truly.
https://nypost.com/2025/03/20/science/iss-astronauts-return-with-gray-hair-heres-why/
She didn’t bring her hair dresser with her to do touch ups
An alien with progeria.
We weren’t made for no gravity.
Besides immune system dysfunction, muscle and bone loss, “gray hair” as discussed by this article, you’re being cooked by radiation. There isn’t 250,000 feet of atmosphere protecting you.
She looks older all around. Maybe she was dyeing her hair before, but she looks older in the face, too. The aging might reverse, once her stress is gone. After COVID my hair grew back and darkened with taking vitamins. Might work for her.
they’re old, jim. that’s the reasonwhy.
More like Uncle Fester!
lol
What kind of vitamins?
We are living in a science fiction world.
Biotin, 2500 mcg. It is a chewable by Nature’s Bounty. (Hair, Skin, Nails) The woman who cut my hair her hair during COVID, too. She recommended the vitamin.
I also use Biotin Shampoo.
Made a word disappear 🙄. The woman who cut my hair lost her hair, too.
Thanks.
Thanks.
So the headline is bs.
You are welcome.
Not exactly eating at Olive Garden.
Kelly could be aka Butterbean……
Well, that would have the opposite effect (fast moving bodies would age more slowly than the rest of us). In their case by maybe 0.000001%...
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