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Sunday, 24/5/2026 | 01:01 GMT+7

Why do non-smokers still get oral cancer?

Oral cancer is often found in long-term smokers, but it can also affect non-smokers due to alcohol consumption, human papillomavirus (HPV), or poor oral hygiene.

Oral cancer impacts the mouth, lips, gums, and throat. Early detection significantly improves treatment outcomes. Initial symptoms are often subtle, but any persistent abnormality in the mouth or throat lasting over two weeks warrants medical attention.

While tobacco products, including smokeless varieties, are a primary risk factor for oral cancer due to prolonged exposure of the oral lining to carcinogens, other factors are increasingly recognized.

Experts highlight that oral cancer is not solely linked to tobacco. Poor oral hygiene, sharp teeth, and ill-fitting dentures can cause chronic inflammation, increasing the risk of precancerous lesions. Additionally, the human papillomavirus (HPV) is an escalating risk factor for oral and throat cancers, particularly among young non-smokers.

Doctors also warn that modern lifestyle habits, such as late nights, chronic stress, unhealthy eating, a sedentary lifestyle, or frequent alcohol intake, can contribute to an elevated risk of developing the disease.

A significant challenge in oral cancer management is late diagnosis, often because people overlook initial symptoms. Early signs can be vague, including non-healing mouth sores, white or red patches in the mouth, pain or difficulty swallowing, persistent hoarseness, neck lumps, or abnormal bleeding in the mouth. Many mistake these symptoms for common canker sores or inflammation, attempting self-treatment and delaying proper diagnosis.

Oral cancer treatment depends on the disease stage and the location of the lesion within the mouth or throat. Common methods include surgery, radiation therapy, and chemotherapy. Surgery is often the first treatment choice to remove cancerous tissue. For cases detected early or with small tumors, surgery may be the only necessary procedure. If a large area is removed, reconstructive surgery may be required.

Radiation therapy is sometimes used alone for early stage oral cancer, especially on the lips. This method can also be combined with surgery or chemotherapy to reduce recurrence risk or manage advanced stage cancer. Chemotherapy is primarily used for advanced cancer or in combination with radiation therapy to enhance treatment effectiveness.

Preventive measures include avoiding all forms of tobacco, limiting alcohol consumption, maintaining good oral hygiene, and undergoing regular dental check-ups to detect any abnormal lesions early. The HPV vaccine can help reduce the risk of certain oral and throat cancers. According to Medical News Today, oral cancer has a much better prognosis when detected and treated promptly.

Bao Bao (Compiled)

By VnExpress: https://vnexpress.net/vi-sao-khong-hut-thuoc-van-ung-thu-mieng-5076650.html
Tags: smoking oral cancer cancer

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