A doctor’s viral social media post about a 26-year-old diagnosed with stage 3 rectal cancer has raised widespread concern. Experts say colorectal cancer cases among young adults have been increasing worldwide in recent decades.
A social media post by American doctor Jason R. Williams has renewed concerns about a troubling health trend—the growing number of colorectal cancer cases among young adults.
In a post shared on X (formerly Twitter), the doctor said he was treating a 26-year-old patient diagnosed with stage 3 rectal cancer.
The condition was traditionally considered rare among people under the age of 40.
The doctor warned that cases of early-onset colorectal cancer have nearly doubled since the early 1990s. Even more worrying, many young patients are being diagnosed at advanced stages—such as stage III or stage IV—when the disease has already progressed or become more aggressive.
Health experts say this trend is being observed in several countries and have raised urgent concerns about possible causes, including lifestyle changes, dietary habits, and delayed diagnosis among younger patients.
Rising Concern: Colorectal Cancer Among Young Adults
Colorectal cancer refers to cancers that develop in the colon or rectum, both parts of the large intestine. For many years, this disease was primarily diagnosed in people over the age of 50.
However, doctors are now increasingly seeing cases among people in their 20s, 30s, and early 40s.
Research shows that the incidence of colorectal cancer in younger adults has been steadily increasing over the past three decades, marking a significant shift from the traditional understanding of the disease.
In many instances, younger patients are diagnosed at a later stage than older adults because their symptoms are often overlooked or mistaken for common digestive issues.
“Colorectal cancer should no longer be viewed as a disease affecting only older individuals. It is crucial for the public to be aware of its signs and symptoms,” said Dr Islam Mohamed, lead researcher and internal medicine resident physician at the University of Missouri–Kansas City.
Why Early Diagnosis Often Becomes Difficult
One reason doctors are worried about the increasing cases of colorectal cancer among young adults is that routine screening in many countries typically begins only after the age of 45 or 50.
As a result, younger individuals are usually not screened, allowing the disease to go unnoticed until symptoms become more serious or advanced.
Common symptoms of colorectal cancer include:
- Persistent changes in bowel habits
- Blood in stool
- Unexplained weight loss
- Abdominal pain or discomfort
- Fatigue or weakness
Since these symptoms can sometimes resemble common digestive issues, younger individuals may delay seeking medical attention.
As a result, some patients are diagnosed only when the cancer has already reached an advanced stage.