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This discovery in 2002 led to international health concerns. Subsequent research has however found that it is not likely that the acrylamides in burnt or well-cooked food cause cancer in humans; Cancer Research UK categorizes the idea that burnt food causes cancer as a "myth". [23]
On October 26, 2015, the International Agency for Research on Cancer of the World Health Organization reported that eating processed meat (e.g., bacon, ham, hot dogs, sausages) or red meat was linked to some cancers and classed them as Group 1 (carcinogenic to humans) and Group 2a (probably carcinogenic to humans) carcinogens respectively. [49]
Non-fibrous particulate materials that cause cancer include powdered metallic cobalt and nickel, and crystalline silica (quartz, cristobalite, and tridymite). [32] Usually, physical carcinogens must get inside the body (such as through inhaling tiny pieces) and require years of exposure to develop cancer. [32] Common occupational carcinogens ...
Colon cancer provides one example of the mechanisms by which diet, the top factor listed in the table, is an external factor in cancer. The Western diet of African Americans in the United States is associated with a yearly colon cancer rate of 65 per 100,000 individuals, while the high fiber/low fat diet of rural Native Africans in South Africa is associated with a yearly colon cancer rate of ...
The study, conducted in a lab funded by the National Cancer Institute, focused on the role of lipids, also known as fats, in the microenvironments around colon cancer tumors.
For example, a 2022 review in Cancer Medicine suggests too much iron can increase the risk of lung and colorectal cancers, noting that excess iron may fuel tumor growth.
Researchers from Washington University in St. Louis has found that dietary fructose may promote tumor growth in animal models of melanoma, breast cancer, and cervical cancer.
Aflatoxin B1, a frequent food contaminant, causes liver cancer. [62] Betel nut chewing can cause oral cancer. [62] National differences in dietary practices may partly explain differences in cancer incidence. For example, gastric cancer is more common in Japan due to its high-salt diet [63] while colon cancer is more common in the United States ...