According to the World Health Organization, by modifying or avoiding the following major risk factors, more than 30% of cancer could be prevented.
(1) tobacco use
(2) overweight or obese
(3) low fruit and vegetable intake
(4) lack of physical activity
(5) the use of alcohol
(6) sexually transmitted human papillomavirus infection
(7) urban air pollution
(8) household use of solid fuels indoor smoke.
22%71% Tobacco use is the single most important risk factor for carcinogenic, resulting in 22% of cancer deaths and 71% of lung cancer deaths worldwide.
In many low-income countries, up to 20% of cancer deaths caused by the HPV infection with hepatitis B virus and human.
In addition to vigorously avoid these risk factors, prevention of cancer as well as the following aspects:
(1) against the human papilloma virus and hepatitis B virus vaccination.
(2) control occupational hazards.
(3) reduce the time of exposure to sunlight.
Early detection: If early detection and treatment can reduce cancer mortality. Early detection of cancer has two components:
Early diagnosis: pay attention to early signs and symptoms (such as cervical cancer, breast cancer, colorectal cancer and oral cancer), for early diagnosis and treatment before the disease advanced stage. Planning is especially suitable for the early diagnosis of lack of resources environment, because there is no screening in resource-poor environment, and most patients are diagnosed only at a very late stage.
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