Study reveals why DNA damage from smoking and UV rays may cause cancer in some people but not others Craig Brierley Mon, 07/27/2026 - 00:01 The findings could explain why some people are more susceptible to cancer than others in the same environment and suggest that future cancer prevention and screening strategies may need to account more carefully for inherited genetics and population diversity. The research, published today in Nature and carried out in mice, suggests that responses to DNA-damaging cancer treatments could differ depending on a patient’s background genetics, strengthening the