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Free radicals and antioxidants (HD)
Free radicals are still necessary for life, but in order to prevent yourself from developing these diseases, you need to take action in keeping free radicals at a minimum. Fortunately for us, the body has a number of mechanisms to minimize free radical induced damage and to repair the damage which does occur.
Recently, scientists have discovered the substance responsible for many of the health benefits we've been receiving from plants. Fruits and vegetables it seemed contain chemical substances that act on specific, harmful molecules inside our bodies to stop them from damaging our cells. Because these substances work on oxygen by-products called free radicals, they have since come to be known as natural antioxidants.
" Because of their highly unstable nature, free radicals increase damage to cells of the body, thus contributing to the aging process. In order to neutralize these free radicals, your body uses certain vitamins, minerals, and enzymes - collectively known as antioxidant antiaging. All these nutrients come from the food you eat, but they may also be available as supplements in the form of pills or capsules.
The Top 20 list of antioxidants published in the Journal of Agricultural and Food Chemistry shows the ranks of the capacity of berry foods, fruits, and vegetables to interfere with or prevent oxidative processes where free radicals are formed. Ronald L. Prior, a USDA nutritionist and research chemist based in Little Rock, Ark explains that berry antioxidants were ranked according to their total antioxidant capacity.
Fortunately, nature has provided us with a system to help control free radicals. Antioxidants are natural enemies of free radicals because one of their functions is to break the chain reaction and destroy free radicals. Therefore, while antioxidants can be found in many fresh fruits and vegetables, it still pays to take antioxidant dietary supplement along with your food.
Eating a variety of foods low in saturated fat and cholesterol will provide a rich natural source of antioxidant vitamins, minerals, and fiber. But what exactly do antioxidant vitamins do? Oxygen radicals are everywhere because we live in an atmosphere that contains oxygen. Oxidation is a process that naturally occurs in the body and a natural consequence of it are the radical particles that have since been dubbed as "free radicals.