Grey hairs sometimes regain their colour when we feel less stressed

Grey hairs sometimes naturally regain their old colour, typically when people experience reductions in stress. The finding hints that it may be possible to develop drugs to reverse greying

Source:
https://www.newscientist.com/article/2244772-grey-hairs-sometimes-regain-their-colour-when-we-feel-less-stressed/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home