Early-onset gastrointestinal cancers are rising sharply worldwide, especially among under-50s.

By Aniket Chakraborty July 9, 2025 Arrow HEALTH & WELLNESS

In the U.S., colorectal cancer rates dropped overall but surged in younger adults since the 1990s.

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Those born in 1990 face 2x the colon cancer risk and 4x the rectal cancer risk compared to 1950.

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Europe has seen up to an 8% rise in colorectal cancer among 20–29-year-olds since 2004.

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CDC reports a 333% spike in colorectal cancer among teens aged 15–19 in recent decades.

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The disease hits minority groups hardest, with Black, Hispanic, Indigenous, and Asian people most affected.

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Young patients often face delayed diagnosis, more aggressive treatment, and worsened outcomes.

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Many struggle with fertility, mental health, and financial burdens due to their early cancer battles.

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Experts blame obesity, Western diets, alcohol, smoking, and fatty liver disease as key risk factors.

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Scientists stress urgent need for better screening, early intervention, and youth-focused cancer care.

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