Why betel nut can cause cancer
Is betel nut cancer really?
According to reports, Mr. Wang of Hunan loves the taste of his hometown - all kinds of preserved betel nuts. He ate 4 packets and nearly 40 a day. One year ago, he began to feel uncomfortable with the right cheek mucosa, until more than a month ago, the mucosa appeared ulceration, and later even his mouth felt pain before going to the hospital. Upon inspection, Mr. Wang was diagnosed with "squamous cell carcinoma" and had undergone resection.
It is understood that in October 2009, the International Organization for Research on Cancer (IARC) of the World Health Organization held a meeting and reconfirmed that betel chews with tobacco plus betel chews and betel nuts without tobacco are first class carcinogens. Betel nuts can cause oral cancer, and there is enough evidence to show that the betel chews without added tobacco cause esophageal cancer. There is limited evidence that it can cause liver cancer.
Why betel nut cancer?
The betel nut is bitter and astringent. It also has a bit of sweetness and slight irritation. Is this delicious? In fact, eating betel nut is not eating taste but eating sensation. Arecoline and other ingredients can make people feverish, excited, and have some addiction. It has been reported in the past that the betelnut processing plant in some parts of Hunan has secretly used ephedra during the pickling process, which will undoubtedly increase its addiction. Since ephedra is a precursor to raw materials, the crackdown has been very strong in recent years, but local companies still have no such violations.
1. After the chewing of the chemical substance in the betel nut, the formed nitroso is a definitive carcinogenic compound.
2, betel nut chewing easy to cause mechanical trauma to the oral mucosa, eat more will make the oral submucosal fibrosis, which is precancerous lesions.
Medical experts say that eating more betel nut will cause oral submucous fibrosis, which is precancerous lesion. It should be noted that precancerous lesions do not equal cancer. Precancerous lesions are the intermediate stages from normal tissue to carcinogenesis. Precancerous lesions may turn cancerous and may be cured. It can only be said that regular betel nut chewing increases the risk of cancer.
According to experts, betel nut contains a large amount of arecoline, which is cytotoxic and can lead to oral mucosal lesions during the betel nut chewing process. It also easily leads to fibrosis and leukoplakia in the oral mucosa. Oral mucosal fibrosis and leukoplakia are the early symptoms of oral cancer. The clinical symptoms are whitening of the oral mucosa, numbness, pain, ulcers, and difficulty in opening mouth. In addition, "preserved betel nut" is often processed by a variety of irritating and even toxic additives, causing more serious damage to the mucosa.
According to reports, the incidence of oral cancer in people who chewed betel nut habits was more than ten times higher than that in the general population. If alcohol and cigarettes are consumed at the same time, the proportion of cancerous cancers will increase significantly. Common symptoms of oral cancer are persistent ulcers and other symptoms. In general, patients who have not improved after two weeks of ulceration need special care.
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