This is why ultraviolet at all wavelengths can damage DNA .
Is capable of causing cancer , and ( for UVB ) skin burns ( sunburn ) that are far worse than would be produced by simple heating ( temperature increase ) effects .
This is why ultraviolet at all wavelengths can damage DNA , and is capable of causing cancer , and ( for UVB ) skin burns ( sunburn ) that are far worse than would be produced by simple heating ( temperature increase ) effects .