​Which of the following is causative factor for oral cancer?​

Correct option is B

The Correct Answer is (b) Tobacco

• Tobacco is the leading cause of oral cancer, whether smoked or chewed.

• It contains carcinogenic substances that damage oral tissues over time.

• Smokeless tobacco (like gutka, khaini, and pan masala) is particularly harmful in South Asian populations.

• The risk increases significantly when tobacco is combined with alcohol.

• Chronic exposure leads to precancerous conditions such as leukoplakia and oral submucous fibrosis.

Information Booster:

• India accounts for one-third of all oral cancer cases globally.

• Early signs include non-healing mouth ulcers, red/white patches, difficulty chewing/swallowing.

• Other contributors: betel nut chewing, poor dental hygiene, and HPV infection.

• Oral cancer screenings are part of India's National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases and Stroke (NPCDCS).

• Preventive measures: quitting tobacco, reducing alcohol, regular dental check-ups.