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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,
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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- Fall '11