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Colorectal Cancer

9th March 2026

A brief overview

While there are many different types of cancer, Colorectal cancer is one of the most common, affecting the colon or rectum, which are parts of the large intestine. The good news is that despite being a serious health condition, colorectal cancer is highly preventable and treatable when detected early. This is why Colorectal Cancer Awareness Month, observed every year in March, is significant as it plays an important role in educating the public about risk factors, symptoms, screening and prevention.

Know more about Colorectal Cancer

Colorectal cancer usually begins as small, noncancerous growths called polyps that form on the inner lining of the colon or rectum. Over time, some of these polyps may develop into cancer. The disease often progresses slowly, which makes early detection through screening particularly effective.

Colorectal cancer can affect both men and women. The risk increases with age, especially after 45–50 years. However, in recent years, there has been a noticeable rise in cases among younger adults, making awareness and early screening even more important.

What are the Risk Factors?

There are several factors that can increase the likelihood of developing colorectal cancer. Some of the most common ones are:

  • Age: Risk increases significantly after the age of 45.
  • Family history: Individuals with a family history of colorectal cancer or polyps are at higher risk.
  • Lifestyle factors: Diets high in red or processed meats, low physical activity, obesity, smoking and excessive alcohol consumption may increase risk.
  • Inflammatory bowel disease: Conditions such as ulcerative colitis or Crohn’s disease can increase the chances of developing colorectal cancer.
  • Genetic conditions: Certain inherited syndromes also raise risk levels.

Common Symptoms

In the early stages, colorectal cancer does not have any noticeable symptoms. However as the disease progresses, individuals may experience:

  • Persistent changes in bowel habits such as diarrhoea or constipation
  • Blood in the stool or rectal bleeding
  • Unexplained weight loss
  • Abdominal discomfort or cramps
  • Fatigue or weakness
  • A feeling that the bowel does not empty completely

The issue is that these symptoms may also be associated with other conditions. Hence it is essential to consult a healthcare provider if they persist.

Why is screening essential?

Screening is one of the most powerful tools in preventing colorectal cancer. Tests such as colonoscopy, stool-based tests and imaging examinations can detect precancerous polyps before they develop into cancer. Many health organisations recommend beginning routine screening at age 45 for individuals at average risk, while those with higher risk factors may need earlier or more frequent screening.

Early detection significantly improves treatment outcomes. When colorectal cancer is found at an early stage, the survival rate is much higher compared to cases diagnosed at advanced stages.

Colorectal Cancer Awareness Month

Colorectal Cancer Awareness Month, observed in March, focuses on increasing awareness about prevention, screening and early detection. During this time, healthcare organisations, hospitals and advocacy groups conduct educational campaigns, community events and screening initiatives. People are encouraged to learn about symptoms, adopt healthier lifestyles and talk to their doctors about screening.

The colour blue and the blue ribbon are widely recognised symbols of colorectal cancer awareness. By sharing information, supporting patients and survivors and promoting regular screening, communities can help reduce the burden of this disease.

How can a healthy lifestyle help?

While not all cases can be prevented, certain lifestyle changes may help lower risk. These include maintaining a balanced diet rich in fruits, vegetables and whole grains, engaging in regular physical activity, avoiding tobacco, limiting alcohol consumption and maintaining a healthy weight.

Colorectal cancer is a disease where awareness truly saves lives. Through education, timely screening and supportive community efforts during Colorectal Cancer Awareness Month, individuals can take proactive steps toward protecting their health and encouraging others to do the same.

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