Abstract
Environmental pollution is one of the main causes of disease, death, and disability worldwide. International Labor Organization (ILO) estimates mortality caused by occupational cancer worldwide to be two times higher than occupational accidents. Approximately, 10 important risk factors account for 85% of all occupational cancers. Factors for occupational cancer includes Asbestos, chemicals such as aniline, chromates, dinitrotoluene, arsenic and its inorganic compounds, beryllium and its compounds, cadmium and nickel compounds, wood dust, crystalline silica, brown coal phosphors, furnace emissions, pollution caused by diesel equipment, Nano-Materials, biological agents, ionizing radiation and non-ionizing radiation, thermal shock, shift work, stress and work while sitting. Also some other environmental factors can cause cancer which concludes air, water and soil pollutions, smoking, sunlight, radon gas, electromagnetic fields, agriculture, behavior and lifestyle (such as alcohol and tobacco consumption, diet, sleep patterns, personal habits and social and cultural environment behaviors). More than 75% of mortality due to cancer can be avoided via controlling occupational and environmental risk factors. Most of cancers are not hereditary and caused by occupational and environmental biological agents, and are potentially preventable. So, it is recommended that more researches should be performed in this field in order to detect more scientific and effective methods to detect number and type of cancers due to occupational and environmental factors.
Highlights
Some of natural activities may result to different pollutions to be distributed in environment, human activities is the most critical cause of air pollution [1]
Dangerous chemicals can be randomly distributed in the environment, but a wider range of air pollutants could be released in industrial areas and due to other activities that can harm human health and environment [2]
WHO introduces air pollution to be responsible for almost 7 million mortality in the last year [5]
Summary
Some of natural activities (volcano, fire, so on) may result to different pollutions to be distributed in environment, human activities is the most critical cause of air pollution [1]. Environmental pollution is one important cause of disease, death, and disability worldwide [4]. It is estimated that 19% of worldwide cancer cases are related to environment or occupation that is equal to 1.3 million deaths per year [19].
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