Asoxygeninteractswithcellsof

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Unformatted text preview: prevent free radical damage the body has a What are free radicals? Why are they damaging to the human body? they To understand the way that free radicals and antioxidants interact, you must first understand a bit about cells and molecules. As oxygen interacts with cells of As oxygen interacts with cells of any type ­ an apple slice or, in your body, the cells lining your lungs or in a cut on your skin ­­ oxidation occurs. This produces some type of change in those cells. The problem is, free radicals often injure the cell, damaging the DNA, which creates the seed for disease. Because of their reactivity, free radicals can participate in unwanted side reactions resulting in cell damage. Many forms of cancer are thought to be the result of reactions between free radicals and DNA, DNA resulting in mutations that can adversely affect the cell cycle and potentially lead to malignancy. Some of the symptoms of aging such as atherosclerosis are also attributed to free-radical induced oxidation of many of the chemical...
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