Radiological examinations are a valuable diagnostic aid but the possible damage they can cause to the patient, future generations and the environment must be taken into account. In particular, given the mutagenicity and carcinogenicity of ionizing radiation, radiographs and CT scans of any body area should not be requested without a precise clinical indication: for example, the routine execution of preoperative chest radiography does not appear appropriate. The execution of inappropriate diagnostic tests can lead to false positive results, as well as the identification of cases that would never have occurred (overdiagnosis), which require additional diagnostic tests, including invasive ones, and often unnecessary and potentially harmful therapeutic interventions. It therefore appears necessary to re-dimension the expectations placed on technology, also through the direct involvement of citizens, patients and the Associations that represent them. In any case, the doctor must always point out to his patient the toxicity of nuclear radiations (diagnostic tests of the scintigraphic type) and of electromagnetic ones (cell phones). Citizens must also be aware of the risks, for the environment and for their health, that are associated with the diffusion of 5G technology.

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