Health experts are raising concerns about a disease that was once thought to mainly affect older people — but is now increasingly being diagnosed in younger adults.

Recent data shows that colon cancer has become one of the leading causes of cancer-related deaths in people under 50, a trend that has alarmed doctors worldwide.

One of the biggest issues, experts say, is that many early symptoms are easy to ignore or mistake for less serious conditions.

Common warning signs can include changes in bowel habits, blood in the stool, ongoing abdominal discomfort, and unexplained weight loss. Because these symptoms often seem minor at first, many people delay seeking medical advice.

Doctors warn that this delay can be dangerous. Younger patients are often diagnosed at later stages, when the disease has already progressed and becomes more difficult to treat.

While the exact cause of the rise is still being studied, researchers believe it may be linked to a combination of factors such as diet, lifestyle, obesity, and environmental influences.

What makes this trend especially concerning is that screening typically begins later in life, meaning many younger adults are not routinely tested unless symptoms appear.

Experts are now urging people to pay closer attention to persistent or unusual changes in their bodies — even if they seem minor at first.

Early detection remains one of the most effective ways to improve outcomes, making awareness of these subtle signs more important than ever.