A grey area no more: fight-or-flight really does turn your hair white
Stress can wipe out your pigment-producing stem cells, triggering grey hair, scientists have shown
Harvard scientists have got to the root of why stress turns our hair grey, or white.
Marie Antoinette reputedly turned white overnight when she faced the guillotine. For more modern examples, perhaps tune into parental anecdotes to find out what triggers this.
But the first study proving that stress can cause grey hair has unravelled the mystery behind it...