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Story summary
- A study led by Northwestern University and the University of California, San Francisco finds indoor tanning raises melanoma risk and accelerates genetic aging.
- Tanning bed users have nearly three times the melanoma risk and about twice the mutation burden.
- The analysis included more than 32,000 medical records and skin samples, showing DNA damage beyond sun-exposed areas.
- The findings challenge industry claims and support stricter regulations, including banning tanning for minors.
