New official statistics published by Public Health Wales’ Welsh Cancer Intelligence and Surveillance Unit (WCISU), which cover the period 2002 – 2019, show that the age-adjusted rate for new cases of cancer each year decreased slightly. This suggests that, apart from age, the overall risk of cancer in the population is gradually going down.

WCISU made adjustments to allow for the population ageing during the reporting period, but when ageing was not taken into account, the number of new cases each year per 100,000 population went up by almost 16 percent during the same period.

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