Signs of Brain Cancer
Brain cancer is detected when a cancerous or malignant tumor is found in the brain. The tumor may form in the brain itself or when cancer cells in other parts of the body spread to the brain.

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PM 2.5 Dust is one of the lung cancer’s carcinogens. Thus, you should avoid outdoor activities and wear a mask to protect yourself from PM 2.5 Dust. Children and the elderly are more sensitive to PM 2.5 Dust than others.
There are many places in Thailand that still have PM 2.5 problems at an unsafe level. This problem should be solved immediately because this ultrafine dust causes lung cancer.
Dr.Thanate Dajsakdipon, an Oncologist of Vejthani Hospital said that PM 2.5 Dust is one of the essential risk factors of lung cancer. According to the studies, there is a connection between PM 2.5 Dust and Lung cancer.
Cigarette smoking and/or second hand cigarette smoking
Working in an industry that has carcinogen
Family History of Lung Cancer
Chronic Lung Diseases
“In order to reduce the risk of lung cancer, we should stop smoking, avoid cigarette smoke and pollution. Moreover, the people who are at risk for lung cancer should undergo the cancer screening test annually, especially people aged over 55 years old who smoke cigarette around a pack of cigarettes a day for over 30 years. They should undergo the lung cancer screening test with Low-dose computerized tomography (LDCT) which is more sophisticated than the normal one. The earlier you know, the better.” said, Dr. Thanate.
Therefore, we should avoid outdoor activities and better to stay indoors, but if you need to go outside, you should wear a mask that is able to protect you against the PM 2.5 Dust. If you have any abnormal symptoms, such as respiratory distress, cough, breathing difficulty, or exhaustion; you should see the doctor immediately.