India’s Hidden Tobacco Cancer Crisis: Doctors Warn of Surge in Non-Lung Cancers, Including Cases Among Teenagers
Bengaluru, May 29: Even as lung cancer continues to dominate public awareness around tobacco-related illnesses, oncologists and public health experts are cautioning that India is witnessing a sharp rise in several other aggressive cancers linked to tobacco use, many of which remain under-recognised.
Speaking ahead of World No Tobacco Day, specialists at Sammprada Hospital, Bengaluru, said tobacco consumption is now associated with nearly 25 to 30 different forms of cancer, including cancers of the esophagus, stomach, pancreas, kidney, bladder and liver. Doctors also expressed concern over a growing number of younger patients being diagnosed with tobacco-related cancers.
According to the experts, head and neck cancers have emerged as one of the most common tobacco-associated cancers in India after lung cancer, driven by both smoking and smokeless tobacco consumption.
The doctors revealed that they are increasingly encountering aggressive cancers among adolescents and young adults. They cited the recent treatment of a 16-year-old patient diagnosed with tobacco-linked head and neck cancer, calling it a disturbing indication of early tobacco exposure among youth.
Global cancer studies estimate that tobacco contributes to nearly one-third of all cancer-related deaths worldwide. India continues to carry one of the highest burdens of tobacco use, particularly smokeless tobacco, which significantly increases the risk of oral and head and neck cancers.
Dr. Radheshyam Naik, Founder, Medical Director and Head of Medical Oncology, Haematology and Bone Marrow Transplantation Unit at Sammprada Hospital, said tobacco exposure was no longer confined to lung cancer alone.
“We are seeing increasing numbers of esophageal, pancreatic, bladder, stomach and liver cancers directly linked to tobacco use. Many of these cancers are detected at advanced stages and tend to be highly aggressive,” he said.
Dr. Naik added that the younger age at which people are initiating tobacco use is becoming a major public health concern.
“The case of a 16-year-old with tobacco-related head and neck cancer should be a wake-up call for parents, schools and policymakers,” he said.
Doctors noted that cancers associated with tobacco use are often more difficult to manage clinically. Dr. Vinod Ramani, Consultant in Cancer Prevention and Preventive Oncology at Sammprada Hospital, said tobacco users face higher risks of treatment complications, recurrence and even secondary cancers.
“Smoking affects wound healing after surgery, increases infection risks and can reduce the effectiveness of cancer treatment. Outcomes are often poorer compared to patients without tobacco exposure,” he explained.
Highlighting the broader health impact of tobacco, Dr. P.S. Prabhakaran, former Vice-Chancellor of Rajiv Gandhi University of Health Sciences and former Director of Kidwai Memorial Institute of Oncology, said tobacco significantly damages the cardiovascular system as well.
“It raises the risk of heart attacks, strokes and vascular complications. When cancer treatment is added to an already compromised system, the risks increase substantially,” he said.
Public health experts also warned against the widespread misconception that moderate tobacco use is relatively harmless.
Dr. K. Prabhakara Rao, a tobacco control expert, said there is effectively no safe level of tobacco exposure.
“The risks depend on the age at which tobacco use begins, the duration of use and the intensity of exposure. Early initiation substantially increases lifetime cancer risk,” he said.
Experts further pointed to the growing incidence of less-discussed tobacco-related cancers such as pancreatic, kidney and bladder cancers, as well as Acute Myeloid Leukemia, urging greater public awareness beyond the conventional focus on lung disease.
They called for stronger tobacco control measures, wider screening programmes and targeted interventions aimed at preventing tobacco initiation among young people.
“Many people still assume that avoiding lung disease means tobacco use is manageable. That assumption is dangerously misleading. Tobacco affects nearly every organ system and remains one of the leading preventable causes of cancer,” Dr. Naik said.
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