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The incidence of early onset colorectal cancer in Aotearoa New Zealand: 2000–2020
Summary
Researchers analyzed colorectal cancer trends in New Zealand from 2000 to 2020, finding that while overall rates declined slightly, early-onset cases (in younger adults) are rising — and rising faster among Maori — suggesting environmental or lifestyle factors, including dietary contaminants, may be contributing to this shift.
The age-standardized incidence of CRC from 2000 to 2020 decreased in Aotearoa New Zealand, but not for Māori. The incidence of EOCRC over the same period continues to rise, and at a faster rate in Māori. However, with the ageing of the population in Aotearoa New Zealand, and for Māori, CRC in the elderly will continue to dominate case numbers.
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