Q. How could hot dogs cause cancer?
A. Hot dogs contain nitrites which are used as preservatives, primarily to combat botulism. During the cooking process, nitrites combine with amines naturally present in meat to form carcinogenic N-nitroso compounds. It is also suspected that nitrites can combine with amines in the human stomach to form N-nitroso compounds. These compounds are known carcinogens and have been associated with cancer of the oral cavity, urinary bladder, esophagus, stomach and brain.
Q. Some vegetables contain nitrites, do they cause cancer too?
A. It is true that nitrites are commonly found in many green vegetables, especially spinach, celery and green lettuce. However, the consumption of vegetables appears to be effective in reducing the risk of cancer. How is this possible? The explanation lies in the formation of N-nitroso compounds from nitrites and amines. Nitrite containing vegetables also have Vitamin C and D, which serve to inhibit the formation of N-nitroso compounds. Consequently, vegetables are quite safe and healthy, and serve to reduce your cancer risk.
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