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الصحة والعلوم الشرق الأوسط
Source: الصحة والعلوم الشرق الأوسط
2 Daysالصحة والعلوم الشرق الأوسط
Source: الصحة والعلوم الشرق الأوسط
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An analysis of data from the U.S. National Cancer Institute found that the colorectal cancer incidence rate, after falling from 55.2 per 100,000 in 2000 to 36.7 in 2022, rose to 38.3 in 2023—the first overall increase in more than 20 years. The largest annual increase was recorded among people aged 45 to 49, reaching 12.76% between 2019 and 2023. More screening after the recommended starting age was lowered from 50 to 45 is thought to have contributed to the detection of early cases, but it does not explain the overall rise in incidence, raising the possibility that other risk factors are involved. An analysis of 189 tumors also found greater activity of noncoding RNA molecules and stronger signaling between cells in younger patients—features that may help cancer spread into neighboring tissues.
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