Scientists have long thought that grey hair may be linked to emotional stress.

But while that connection feels pretty well-known, I, for one, was surprised by a recent paper linking the pale strands to cancer-related stressors.

According to study leader Prof Emi Nishimura, whose work was published in Nature Cell Biology, the research “reframes hair greying and melanoma not as unrelated events, but as divergent outcomes of stem cell stress responses”.

Grey hair might reflect a protection against DNA damage

The researchers were looking at melanocyte stem cells (McSCs) in mice when they found the apparent link.

McSCs,........

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