Dr. Sneha Kommineni, Medical Oncologist | Spashta Healthcare
Over the past decade, a concerning shift has emerged – bowel cancer, traditionally considered a disease of older adults, is increasingly being diagnosed in younger individuals. While lifestyle factors such as processed foods, red meat consumption, alcohol, and obesity are well-established contributors, the deeper concern lies elsewhere: our tendency to normalize and dismiss early warning signs.
Global evidence has consistently linked red and processed meat consumption with colorectal cancer. The World Health Organization (International Agency for Research on Cancer) classifies processed meat as carcinogenic and red meat as probably carcinogenic. Large cohort studies like the EPIC Study and analyses published in the American Institute for Cancer Research reinforce this association. However, in India, the challenge is not just exposure to risk factors – it is delayed recognition.
Take rectal bleeding, for instance. It is frequently attributed to dietary causes such as spicy food or hemorrhoids, leading to self-medication and reliance on anecdotal remedies rather than medical consultation. Similarly, anaemia is almost reflexively labelled as iron deficiency. But the real clinical question should be: why does iron deficiency exist in the first place, especially in urban populations with adequate access to nutrition?
Unexplained nutritional deficiencies raise similar red flags. Is it reduced intake, poor absorption, or chronic internal blood loss? Without systematic evaluation, we risk overlooking serious underlying pathology. Constipation and altered bowel habits are often dismissed as irritable bowel syndrome, when in reality, they may represent early manifestations of bowel malignancy.
The pattern is clear – common symptoms associated with serious disease are repeatedly trivialized. This delays diagnosis and reduces the window for early, potentially curative intervention.
From a clinical standpoint, anaemia warrants a structured workup, not just supplementation. Occult blood in stool should prompt further evaluation, including colonoscopy when indicated. Screening protocols are evolving, but broadly, individuals at average risk should begin periodic screening by midlife, with earlier and more frequent surveillance for those with family history. Importantly, any history of cancers such as breast, ovarian, or head and neck within the family raises the index of suspicion for hereditary cancer syndromes.
Emerging diagnostic advancements, including blood-based screening tests, are expected to further strengthen early detection strategies in India. However, technology alone is not the solution. The first step remains awareness and a willingness to question symptoms rather than normalize them.
As clinicians, we often encounter patients at advanced stages, not because the disease was silent, but because the signs were overlooked. The fundamental questions remain:
Why unexplained anaemia?
Why persistent bowel changes?
Why nutritional deficiencies despite adequate intake?
If we shift our approach from symptom dismissal to symptom investigation, we can significantly alter outcomes. Lifestyle modification, combined with timely screening and clinical evaluation, is not just advisable – it is imperative.
Because in bowel cancer, what we ignore today may define outcomes tomorrow.
