ISS astronauts return with gray hair — here’s what’s behind the shocking color shift
Previous studies have also demonstrated potential links between space travel and an increase in oxidative stress, which ...
Can stress permanently change your body? Expert reveals the irreversible effects of mental strain
Experts warn that prolonged stress can lead to permanent physical changes, including turning hair grey or white due to a depletion of pigment-producing stem cells. Harvard research on mice shows this ...