The overuse of CT scans could cause over 100,000 cases of cancer in the US – with almost 10,000 cases in children, researchers have warned. According to a new modelling study, published in the journal JAMA Internal Medicine, the high number of CT (computed tomography) scans carried out in the United States in 2023 could cause 5 per cent of all cancers in the country, equal to the number of cancers caused by alcohol.CT scans increase the risk of cancer due to the use of ionising radiation. The ri...