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Amaryllis Fox
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Chris Hadfield
Retired Canadian Astronaut & Author
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Yes. Stress does give you gray hairs. Here’s how.

It's not just an old superstition — it's your stressed-out brain.

Image source: LarsZ/Shutterstock
  • Your brain's fight-or-flight response system is behind the appearance of premature gray hairs.
  • The sympathetic nervous system essentially burns out melanin-producing hair follicles.
  • New research may lead to a greater understanding of the connection between stress and body changes.
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