Dr. Harshit Srivastava Surgical Oncologist in Lucknow

India’s Gastrointestinal Cancer Rates Are Climbing — Here’s Why??

rising-gi-cancer-rates-india-causes-prevention

GI cancers comprise cancers of the esophagus, stomach, liver, pancreas, gallbladder, intestines, and rectum, among others, and have increased during the last few decades. Since these cancers increasingly form part of the growing overall cancer burden in India, there is a need to understand trends and risk factors specific to India for improving prevention, early diagnosis, and treatment.

Current Scenario: Data and Trends

The incidence of GI cancers has witnessed a high increase in India, in particular, in some regions. Among GI cancers, the most common cancer types include colorectal, stomach, liver, and esophageal cancers. Together, GI cancers now account for around 26% of the total cancer cases in India. Interestingly, an increasing trend among both the rural and the urban populations is seen with hotspots along the Ganges belt having the highest gallbladder cancer rates in the world.”.

There has been an interesting trend within recent studies indicating an increase in the onset incidence of early GI cancers, especially colorectal cancers, among young people under 50 years of age. Long held to be diseases of the elderly, GI cancers have increasingly been spotted in young populations, something that relates to both genetic and lifestyle predisposing factors like certain specific dietary habits, low levels of physical activity, and elevated rates of obesity.

Key Risk Factors in the Indian Context

The growing burden of GI cancers is largely attributable to a continuum of lifestyle, environmental, and genetic factors:

Dietary Factors: Diets high in processed and red meats as well as low in fiber increase risks for GI cancer because of dietary pattern changes toward higher processed food consumption by the expanding urban populations.

 

Infections: Helicobacter pylori, linked with stomach cancer; hepatitis B and C viruses, linked with liver cancer, etc are some of the infections that prevail mostly in India. Infections are one of the most vital drivers of GI cancers when sanctioned and healthcare accessibility do not exist or are meager.

 

Obesity and Physical Inactivity: Obesity, in particular the abdominal one, tends to increase the likelihood of incidence of colon cancer as well as pancreas cancer. Sedentary behavior shares a similar trend.

 

Tobacco and Alcohol Use: Consumption of cigarettes and heavy drinking have strongly been identified as risk factors for esophageal, stomach, and liver cancer.

 

Genetic Factors: There is a rising concern about genetic mutations and their contribution to early-onset colorectal cancer. GI cancer family history may be taken into account as a risk for those individuals affected in the younger age groups themselves. 

Regional Distribution and High-Risk Areas  Studies have shown that the rates of incidence of GI cancers in India are very high in some specific geographical areas. These areas are as follows

Cancer of Gallbladder: Most common in northern and eastern states, particularly on both sides of the Ganges River, probably because of river water pollution and general dietary habits.

Oesophageal Cancer: High frequencies in northeastern states, where tobacco and betel quid chewing is a popular habit.

Colorectal Cancer: It’s reported more in urban populations, due to westernized diets and sedentary lifestyles.

Symptoms and Demand for Early Detection

The symptoms that present in cases of GI cancers are often insidious. These may include:

  • Persistent abdominal pain
  • Unexplained weight loss
  • Difficulty in swallowing
  • Blood in stools or persistent indigestion
  • Altered bowel habits

Since these symptoms commonly appear for something much less serious, an at-risk person really needs to be screened consistently. Endoscopies, colonoscopies, and other imaging tests might be able to detect the disease early on; most GI cancers become much easier to treat if diagnosed prior.

Preventive Measures: Things that Can Be Done to Lower the Risk :

Not all risk factors can be controlled, but there are a number of things that can be done to lower the risk of GI cancers  :

  • Healthy Diet : Increased fiber intake and reduced red and processed meat can reduce the risk of colorectal and stomach cancers .
  • Physical Activity : Regular physical activity lowers obesity-related cancer risks, especially for the colon .
  • Quit Smoking and Reduce Alcohol : Quitting tobacco and alcohol can bring about an enormous decline in the occurrence of esophageal and liver cancers .
  • Screening for Infections : Immunization against hepatitis B and H. pylori infection treatment should always be part of the prevention process .

Final Thoughts

The ever-increasing incidence of GI cancers in India points towards the areas of importance, such as public awareness, preventive healthcare, and availability of screening services. Most cases may be prevented or diagnosed at a more treatable stage with early detection and lifestyle modification. It is important that people become aware and proactive regarding their digestive health as facilities and awareness improve.

India’s fight with GI cancers remind one of how lifestyle, environment, and genetics are all so intertwined in the outcome of an individual’s health. Small, consistent changes today can be the variation key for the GI cancer burden of future generations.