High antioxidant diet
Dark chocolate -- not white chocolate -- lowers high blood pressure, say Dirk Taubert, MD, PhD, and colleagues at the University of Cologne, Germany. All had just been diagnosed with mild high blood pressure -- on average, systolic blood pressure (the top number) of 153 and diastolic blood pressure (the bottom number) of 84. The structure of the antioxidant vitamin ascorbic acid (vitamin C). Video: Cancer Takes a Toll on a Small Town. But you have to balance the extra calories by eating less of other things. , catalase and superoxide dismutase ) produced internally or the dietary antioxidants, vitamin A, vitamin C, and vitamin E. This article is from the WebMD News Archive. Aug. Redox cycling may allow other antioxidants (such as vitamin C) to act as pro-oxidants and promote free radical formation. Tirilazad is an antioxidant steroid derivative that inhibits the lipid peroxidation that is believed to play a key role in neuronal death in stroke and head injury. The yellow sphere is the redox-active sulfur atom that provides antioxidant activity, while the red, blue, white, and dark grey spheres represent oxygen, nitrogen, hydrogen, and carbon atoms, respectively. Dark Chocolate Has Health Benefits Not Seen in Other Varieties. Sleep Loss Tied to Changes in Gut Bacteria. Antioxidants that are reducing agents can also act as pro-oxidants. Some compounds contribute to antioxidant defense by chelating transition metals and preventing them from catalyzing the production of free radicals in the cell. Although certain levels of antioxidant vitamins in the diet are required for good health, there is considerable debate on whether antioxidant-rich foods or supplements have anti-disease activity. Antioxidants gobble up free radicals, destructive molecules that are implicated in heart disease and other ailments.
27 issue of The Journal of the American Medical Association. Their report appears in the Aug. Their report appears in the Aug. An antioxidant is a molecule that inhibits the oxidation of other molecules. To balance the oxidative state, plants and animals maintain complex systems of overlapping antioxidants, such as glutathione and enzymes (e. Antioxidants are classified into two broad divisions, depending on whether they are soluble in water ( hydrophilic ) or in lipids ( lipophilic ). Melatonin, once oxidized, cannot be reduced to its former state because it forms several stable end-products upon reacting with free radicals. To find the most current information, please enter your topic of interest into our search box. Antioxidants such as thiols or ascorbic acid (vitamin C) terminate these chain reactions. Asprin: The Wonder Drug in Your Medicine Cabinet. g. Every day for two weeks, they ate a 100-gram candy bar and were asked to balance its 480 calories by not eating other foods similar in nutrients and calories. Colon Cancer on the Rise Among Young Adults. Studies in two prestigious scientific journals say dark chocolate -- but not white chocolate or milk chocolate -- is good for you. 27, 2003 -- Got high blood pressure. Oxidation is a chemical reaction that can produce free radicals, leading to chain reactions that may damage cells. 28 issue of Nature. Uric acid is by far the highest concentration antioxidant in human blood.
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