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Andrea Bayles Nutritional Therapist
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Eating Deep Fried Food Linked to Increased Risk of Prostate Cancer

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Jan. 28, 2013 — Regular consumption of deep-fried foods such as French fries, fried chicken and doughnuts is associated with an increased risk of prostate cancer, and the effect appears to be slightly stronger with regard to more aggressive forms of the disease, according to a study by investigators at Fred Hutchinson Cancer Research Centre.

The research showed that men who reported eating French fries, fried chicken, fried fish and/or doughnuts at least once a week were at an increased risk of prostate cancer as compared to men who said they ate such foods less than once a month.

In particular, men who ate one or more of these foods at least weekly had an increased risk of prostate cancer that ranged from 30 to 37 percent. Weekly consumption of these foods was associated also with a slightly greater risk of more aggressive prostate cancer.

Deep frying may trigger formation of carcinogens in food Possible mechanisms behind the increased cancer risk, Stanford hypothesizes, include the fact that when oil is heated to temperatures suitable for deep frying, potentially carcinogenic compounds can form in the fried food. They include acrylamide (found in carbohydrate-rich foods such as French fries), heterocyclic amines and polycyclic aromatic hydrocarbons (chemicals formed when meat is cooked at high temperatures), aldehyde (an organic compound found in perfume) and acrolein (a chemical found in herbicides). These toxic compounds are increased with re-use of oil and increased length of frying time. Foods cooked with high heat also contain high levels of advanced glycation end products, or AGEs, which have been associated with chronic inflammation and oxidative stress. Deep-fried foods are among the highest in AGE content. A chicken breast deep fried for 20 minutes contains more than nine times the amount of AGEs as a chicken breast boiled for an hour, for example.


Marni Stott-Miller, Marian L. Neuhouser, Janet L. Stanford. Consumption of deep-fried foods and risk of prostate cancer. The Prostate, 2013; DOI: 10.1002/pros.22643 via Science Daily

 

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