what is the main cause of cancer disease?
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Cancer can be caused by a multitude of factors. Although cancers can be seen as a hereditary disease, most cases are in fact, sporadic in nature. Other important factors to consider when discussing the etiology of cancer may include:
Exposure to chemical and physical agents: This category comprises various chemicals which have potent causal effect on many types of cancers. Over 90% of lung cancer cases have been attributed to the chemical components of tobacco smoke, and to a broader extent, they may also cause cancers of the head, neck, or esophagus. Alcohol is another chemical that humans are commonly exposed to and reports have stated that it is one of the primary chemical agents which may trigger liver cancer. In terms of physical agents, asbestos exposure can be regarded as one of the most traditional examples of how individuals may suffer from mesothelioma
Obesity and diet: Studies have shown strong correlation between the obesity status of individuals to the risk of contracting cancer in their lifetime. Examples of how diet may cause cancers include betel nut which may trigger oral cancer and a diet high in salt which may cause gastric cancer.
Hormones: IGF, higher presence of sex-related hormones (i.e. estrogen, progesterone, testosterone).
Infection: HPV (cervical cancer), Epstein-Barr virus (lymphoma, nasopharyngeal cancer), Herpesvirus (Kaposi's sarcoma).
More minor causes of cancer may include prolonged exposure to radiation, autoimmunity, and lifestyle, all of which would contribute to the epigenetic modulation which may give rise to cancers.
Exposure to chemical and physical agents: This category comprises various chemicals which have potent causal effect on many types of cancers. Over 90% of lung cancer cases have been attributed to the chemical components of tobacco smoke, and to a broader extent, they may also cause cancers of the head, neck, or esophagus. Alcohol is another chemical that humans are commonly exposed to and reports have stated that it is one of the primary chemical agents which may trigger liver cancer. In terms of physical agents, asbestos exposure can be regarded as one of the most traditional examples of how individuals may suffer from mesothelioma
Obesity and diet: Studies have shown strong correlation between the obesity status of individuals to the risk of contracting cancer in their lifetime. Examples of how diet may cause cancers include betel nut which may trigger oral cancer and a diet high in salt which may cause gastric cancer.
Hormones: IGF, higher presence of sex-related hormones (i.e. estrogen, progesterone, testosterone).
Infection: HPV (cervical cancer), Epstein-Barr virus (lymphoma, nasopharyngeal cancer), Herpesvirus (Kaposi's sarcoma).
More minor causes of cancer may include prolonged exposure to radiation, autoimmunity, and lifestyle, all of which would contribute to the epigenetic modulation which may give rise to cancers.
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chronic inflammation,obesity,oxidative stress,pharmaceutical drugs, toxicity/ acidity, environmental toxins,smoking/ alcohol, stress,insomnia, poor diet
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