How to prevent oral cancer

There was a case like this. The oral ulcer didn't heal for two months before I went to the hospital to see a doctor. As soon as the examination results came out, there was an ulcer, but it had become medium-term oral cancer. So, what are the symptoms of oral cancer?
1. Oral ulcers
The appearance of oral cancer is often accompanied by oral ulcers, which generally takes no more than 3 days. However, if the symptoms of burning or pain do not improve for more than 2 weeks adult toys , a timely examination should be carried out.
2. Patches appear
The most common oral precancerous lesions are oral leukoplakia and oral erythema. Precancerous conditions such as oral lichen planus and oral submucosal fibrosis can also develop cancer.
3. Tumors and nodules
Before ulceration occurs, the submucosa is often induration, and a superficial ulcer without necrosis forms on the surface. The surface of the ulcer is red, and the small white spots are a little small. The patient is a little uncomfortable and painful when stimulated.
4. Repeated bleeding
Necrotic ulcer big black ass , the bottom is prone to bleeding, and the edge is raised and eversion in a cauliflower shape. When touching with your fingers, you can feel the ulcer and its surroundings hard. Sometimes you can feel the swollen lymph nodes huge dildo , which are hard and difficult to move.
How to prevent oral cancer?
1. Avoid smoking and drinking alcohol: Among the carcinogenic factors, tobacco is the largest cancer inducer, so smoking is the most dangerous habit.
2. Avoid chewing betel nuts: Especially when tobacco and lime are mixed in betel nuts, there is a high risk of cancer.
3. Pay attention to the protection of light radiation: prevent long-term direct sunshine. The lower lip has more opportunities to light than the upper lip, and 95% of the red part cancer of the lip lies in the lower lip.
4. Balanced diet: Reduce fat intake and increase vegetables and fruits. Increase the intake of vitamins A, B, E and trace element selenium.