In Focus by The Hindu Could environmental pollution be behind the rise in cancers in India?
Mar 28, 2025
In this engaging discussion, Dr. Krithiga Shridhar, head of the Cancer Epidemiology Unit at the Centre for Chronic Disease Control in New Delhi, sheds light on the alarming rise in cancer cases in India. She highlights the emerging role of environmental pollution as a significant risk factor, alongside traditional culprits like tobacco and alcohol. Dr. Shridhar dives into the dangers of 'forever chemicals' contaminating water sources and the impact of ultra-processed foods. The conversation emphasizes the importance of individual actions to combat these environmental threats.
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India's Cancer Burden
- India has the third highest number of new cancer cases and second highest cancer deaths.
- Certain digestive tract cancers, like those of the esophagus, bowel, stomach, and liver, require attention.
Rising Cancer in Young Adults
- Cancers among young adults (20-49 years) are increasing, both globally and in India.
- 40% of cancers are preventable by addressing known risk factors, and potentially 80% with further research.
Environmental Pollution & Cancer
- Many environmental pollutants, like outdoor air pollution, industrial byproducts, and certain chemicals, are classified as carcinogens.
- The International Agency for Research on Cancer (IARC) categorizes these pollutants based on their level of evidence linking them to cancer in humans.