An increasing number of cancer diagnoses are occurring in adults under the age of 50, a trend that has prompted experts to highlight the importance of understanding family history and recognizing unusual symptoms for early detection. More than a dozen types of cancer are seeing a rise in this age group, with colorectal and breast cancers showing the most significant increases. Colorectal cancer is now the leading cause of cancer death for Americans between 18 and 49.
Family History as a Critical Factor
While researchers have not identified a single cause for the surge in early-onset cancers, a combination of factors such as obesity, heavy alcohol consumption, environmental influences, and gut health disruptions are believed to play a role. However, family history remains one of the most significant risk factors. For individuals with a history of cancer in their family, doctors may recommend earlier and more frequent screenings than standard population-level guidelines.
Bryce Ramsey, who was diagnosed with stage 3 colon cancer at age 33, shared that she learned only after her diagnosis that her grandfather had also suffered from colorectal cancer. She believes that knowing this family history would have led to earlier screening. Her tumor, she was told, had likely been growing for seven to 10 years. Following her diagnosis and treatment, Ramsey encouraged her father, aunt, and brother to get screened, and all three were subsequently diagnosed with colon cancer and received successful treatment.
Ramsey advocates for open conversations about health within families, suggesting that even casual inquiries can prompt necessary screenings. “Just ask the question or make a joke about it. And sometimes just little icebreakers will help,” she said.
Vigilance for Symptoms and Testing
Promptly reporting any unusual or persistent body changes to a physician is crucial for early detection. Symptoms that warrant medical attention can include lumps, abdominal pain, changes in bowel habits, blood in the stool, or persistent, unexplained fatigue. Oncologist Veda Giri, director of the Early Onset Cancer Program at Yale Cancer Center, stressed the importance of bringing such symptoms to a doctor’s attention.
The proliferation of at-home cancer tests presents another avenue for screening, but experts advise caution. Giri noted that the accuracy of these tests can be difficult for individuals to assess, and they may lead to either false reassurance or unnecessary alarm. Before using an at-home test, consulting with a doctor is recommended. If an at-home test yields an abnormal result, further medical follow-up, such as a colonoscopy, will likely be necessary.
Recent guideline changes reflect the growing concern over early-onset cancers. The U.S. Preventive Services Task Force now recommends women begin mammogram screenings for breast cancer at age 40, a shift from the previous age of 50. For colon cancer detection, the task force lowered the recommended age for a first colonoscopy for average-risk individuals to 45, down from 50. Establishing a relationship with a trusted medical practitioner is key for patients to assess their personal risk, navigate evolving research, and make informed decisions about screenings.
Steve Lopez is the Editorial Page Editor for News Raise. He covers Health. He has won more than a dozen national journalism awards for his reporting and column writing at seven newspapers and four news magazines.
