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Some studies suggest that antioxidant supplements do not consistently prevent chronic diseases and may even increase mortality, while other studies indicate that antioxidants from plant foods and medicinal plants can help reduce the risk of chronic diseases by controlling oxidative stress and promoting cellular repair.
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Antioxidants are compounds that inhibit oxidation, a chemical reaction that can produce free radicals leading to cell damage. The role of antioxidants in preventing chronic diseases such as cardiovascular diseases, cancer, and neurodegenerative disorders has been a significant focus of research. This synthesis aims to present the latest findings on the effectiveness of antioxidants in preventing chronic diseases.
Dietary Antioxidants and Chronic Disease Prevention
Antioxidant Supplements and Chronic Disease Prevention
Oxidative Stress and Chronic Diseases
Biomarkers and Methodological Challenges
The current body of research suggests that while diets rich in antioxidants from fruits and vegetables are associated with a reduced risk of chronic diseases, antioxidant supplements do not consistently provide the same benefits and may even pose risks. The most prudent public health advice is to increase the consumption of plant foods rather than relying on supplements for chronic disease prevention. Further research is needed to clarify the efficacy, safety, and appropriate dosage of antioxidants in relation to chronic disease.
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