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Definition: How do antioxidants protect against cellular damage?
Antioxidants are compounds that can help protect cells from damage caused by harmful molecules called free radicals. Free radicals are highly reactive molecules that can cause oxidative stress, leading to cellular damage and potentially contributing to various diseases, including cancer, heart disease, and aging.Antioxidants work by neutralizing free radicals, preventing them from causing harm to cells. They do this by donating an electron to the free radicals, effectively stabilizing them and reducing their reactivity. This process helps to maintain the balance between free radicals and antioxidants in the body, known as the antioxidant defense system.
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There are several types of antioxidants, including vitamins (such as vitamin C and vitamin E), minerals (such as selenium and zinc), and phytochemicals (found in plant-based foods). Each type of antioxidant has its own unique mechanism of action and can target different types of free radicals.
By protecting cells from oxidative damage, antioxidants play a crucial role in maintaining cellular health and preventing the onset of various diseases. They also help to support overall well-being and promote longevity. Incorporating a diet rich in antioxidant-rich foods, such as fruits, vegetables, nuts, and seeds, can help ensure an adequate intake of these beneficial compounds.
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