What is a current scientific opinion on the effects of diagnostic levels of ionizing radiation?

The perspective that diagnostic levels of ionizing radiation increase the risk of cancer and other conditions is supported by extensive research in the field of radiobiology. While the risks associated with individual diagnostic procedures are typically low, evidence indicates that even small doses of radiation can increase the likelihood of adverse health effects over time, particularly with repeated exposure.

Studies have shown a clear dosage-response relationship, where the risk of cancer increases with the cumulative amount of ionizing radiation received. This means that while the likelihood of developing conditions as a result of a single diagnostic procedure may be minimal, there is a recognized risk that accumulates with continued exposure to ionizing radiation over a person's lifetime.

This understanding drives efforts in the medical community to apply the principles of radiation safety and to justify the use of diagnostic imaging only when the benefits outweigh the potential risks. Thus, the opinion that diagnostic radiation might pose a risk underscores the importance of careful consideration and informed consent regarding radiological procedures.