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A new study published in JAMA reveals a sharp rise in gastrointestinal (GI) cancers among young people (under 50), particularly colorectal cancer. The increase is more rapid than other cancer types and is especially prominent in high-income countries. While obesity, poor diet, and sedentary lifestyles are potential risk factors, up to 30% of cases may be linked to genetics. Researchers emphasize the need for improved prevention strategies, early detection methods, and tailored treatment approaches for this growing concern.

Prepared by Olivia Bennett and reviewed by editorial team.