A new international study explores whether a simple blood test could help close a growing gap in colorectal cancer detection among younger adults. By analyzing a specific combination of circulating and exosome-bound microRNAs, researchers report strong diagnostic performance for identifying early-onset CRC—including in patients as young as 20–35 years and across early disease stages. The findings raise important questions about how noninvasive tools might complement existing screening strategies, especially for individuals reluctant to undergo colonoscopy. What the data ultimately suggest—and where the approach still falls short—is detailed in the full article.
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