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Some substances cause cancer primarily through their physical, rather than chemical, effects on cells. [32] A prominent example of this is prolonged exposure to asbestos, naturally occurring mineral fibers which are a major cause of mesothelioma, which is a cancer of the serous membrane, usually the serous membrane surrounding the lungs. [32]
Health starts where we live, learn, work, and play. SDOH are the conditions and environments in which people are born, live, work, play, worship, and age that affect a wide range of health, functioning, and quality-of-life outcomes and risk. They are non-medical factors that influence health outcomes and have a direct correlation with health ...
Ulceration can cause bleeding that can lead to symptoms such as coughing up blood (lung cancer), anemia or rectal bleeding (colon cancer), blood in the urine (bladder cancer), or abnormal vaginal bleeding (endometrial or cervical cancer). Although localized pain may occur in advanced cancer, the initial tumor is usually painless.
Simply because a substance has been designated as a carcinogen, however, does not mean that the substance will necessarily cause cancer. Many factors influence whether a person exposed to a carcinogen will develop cancer, including the amount and duration of the exposure and the individual's genetic background. [38] Aflatoxins; Aristolochic ...
Lung cancer is the leading cause of cancer-related deaths in the United States and Europe and is a major cause of death in other countries. [54] Tobacco is an environmental carcinogen and the major underlying cause of lung cancer. [54] Between 25% and 40% of all cancer deaths and about 90% of lung cancer cases are associated with tobacco use.
Nutritional epidemiologists use multivariate statistics, such as principal components analysis and factor analysis, to measure how patterns of dietary behavior influence the risk of developing cancer. [17] (The most well-studied dietary pattern is the Mediterranean diet.)
Factors: behavioral intent, evaluation of risks and behavior. Health action process approach: HAPA suggests that the adoption, initiation, and maintenance of health behaviors should be conceived of as a structured process including a motivation phase and a volition phase. The former describes the intention formation while the latter refers to ...
The cause involves access to resources that can assist in avoiding health risks or to minimize the sequelae of disease once it occurs. "The association between a fundamental cause and health is reproduced over time via the replacement of intervening mechanisms" [2] By these criteria, SES is a fundamental cause for healthcare disparities.