SMRTR Science & EngineeringDec 9, 2025Live Science

Gray hair may have evolved as a protection against cancer, study hints

SMRTR summary

Gray hair may protect against cancer by stopping damaged pigment cells from dividing after UV exposure. However, some chemical carcinogens bypass this protection, maintaining hair color but increasing cancer risk.

SMRTR provides this summary for quick context. The original article belongs to Live Science.

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