Human Carcinogen
UV photons can affect DNA integrity and induce mutations or affect the expression of many genes. Mainly, solar DNA damage results in pyrimidine dimers that change the DNA backbone, halting transcription and protein synthesis.
DNA
Environmental DNA-damaging agents to which people are exposed is solar ultraviolet (UV) radiation since it is routine and frequently unavoidable. Damage to DNA can be caused by UVB and UVA rays from the sun.