The Economic Times

Gray Hair Reason Found: A Japanese study explains why people get grey hair and it may be linked to cancer

Why Do People Get Grey Hair: New research in Japan suggests grey hair may signal a body's protective response against Cancer. Stem cells shut down after severe DNA damage, preventing harm, however, certain carcinogens can cause these cells to multiply unchecked. This process can lead to melanoma, the most dangerous skin cancer. The study connects visible aging and cancer risk in new ways.