Your body needs to maintain a certain balance between free radicals and antioxidants. Prolonged oxidative stress leads to an increased risk of negative health outcomes, such as cardiovascular disease and certain types of cancer. excessive intake of antioxidants, such as vitamins C and E ( 1).intense and prolonged exercise, which causes tissue damage ( 9).
too much or too little oxygen in your body ( 8).excessive intake of iron, magnesium, copper, or zinc ( 1).radiation, including excessive sunbathing.high intake of polyunsaturated fatty acids ( 7).
Several lifestyle, stress, and environmental factors are known to promote excessive free radical formation and oxidative stress, including: Sometimes it even leads to cell death.ĭamage to your DNA increases your risk of cancer, and some scientists have theorized that it plays a pivotal role in the aging process ( 3, 4). Prolonged oxidative stress can damage your DNA and other important molecules in your body. When free radicals outnumber antioxidants, it can lead to a state called oxidative stress. However, free radicals also serve important functions that are essential for health ( 1).įor example, your immune cells use free radicals to fight infections ( 2).Īs a result, your body needs to maintain a certain balance of free radicals and antioxidants. Without antioxidants, free radicals would cause serious harm very quickly, eventually resulting in death. Free radicals are constantly being formed in your body.
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