Dramatic Rise in Gastrointestinal Cancers in Young People

A new review has revealed a significant surge in gastrointestinal cancers among individuals under the age of 50, with colorectal cancer being the most common type of cancer diagnosed in this age group. The review, published in The Journal of the American Medical Association (JAMA), highlights the alarming trend and calls for improved methods of prevention and early detection. Colorectal cancer diagnoses in people under 50 have increased dramatically, with just over 20,800 cases reported in 2022. Researchers attribute this rise to risk factors that can be changed, such as obesity, poor diet, and a sedentary lifestyle.

Key Takeaways:

• Colorectal cancer is the most common type of gastrointestinal cancer diagnosed in people under 50 in the US, with 20,800 cases reported in 2022.
• Other types of gastrointestinal cancers, such as gastric, pancreatic, and esophageal cancer, also showed a significant increase in diagnoses among young people.
• Risk factors contributing to the rise in gastrointestinal cancers in young people include obesity, poor-quality diet, and a lack of physical activity.
• Smoking and excessive drinking are also identified as risk factors.
• Early-onset gastrointestinal cancers are often linked to family history, hereditary syndromes, and inflammatory bowel disease.
• Researchers note that the prognosis for patients with early-onset GI cancers is similar to or worse than that for patients with later-onset GI cancers.
• Dr. Kimmie Ng, co-author of the review and director of the Young-Onset Colorectal Cancer Center at Dana-Farber Cancer Institute, emphasizes that risk factors contributing to cancer development in young people often originate in infancy, childhood, or adolescence.
• The American Cancer Society recommends regular screening for colorectal cancer starting at the age of 45 for individuals at average risk.
• Researchers are uncertain about why young patients with gastrointestinal cancers could have worse survival rates than older patients, but possibilities include advanced stage cancer at diagnosis and biological differences.

Statistics:

• 20,800 people under 50 were diagnosed with colorectal cancer in 2022.
• 2,689 people were diagnosed with gastric cancer.
• 2,657 people were diagnosed with pancreatic cancer.
• 875 people were diagnosed with esophageal cancer.
• Just over 50% of early-onset colorectal cancer patients have inflammatory bowel disease.

Sources:

• The Journal of the American Medical Association (JAMA)
• NBC News
• The American Cancer Society
• NBC News (quoting Dr. John Marshall, chief medical consultant at the nonprofit Colorectal Cancer Alliance)
• NBC News (quoting Dr. Howard Hochster, director of gastrointestinal oncology at Rutgers Cancer Institute and RWJBarnabas Health in New Jersey)