How is the risk of cancer related to radiation dose?

The relationship between radiation dose and the risk of cancer is understood to be directly proportional, meaning that as the dose of radiation increases, so does the risk of developing cancer. This correlation is based on extensive research in radiobiology and epidemiology, which indicates that higher exposures to ionizing radiation can lead to a greater likelihood of cellular mutations and, ultimately, cancer development.

In many contexts, especially for low doses of radiation, the risk follows a linear no-threshold model. This model suggests that even the smallest amount of radiation can pose some risk of cancer, and as the dose increases, the risk accumulates incrementally. This principle underscores the importance of minimizing radiation exposure in practices that involve radiation use.

Understanding this relationship is crucial for radiation safety officers and health professionals, as it guides the implementation of safety protocols and the establishment of dose limits to protect individuals from potential harm associated with radiation exposure.