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Effects of Selenium and Other Micronutrient Intake on Human Health
1National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Beijing 100050, China.
Nutrients
|July 12, 2025
Summary
Selenium was initially viewed as toxic, but research in 1957 revealed its essential role as a micronutrient, protecting against liver damage in vitamin E-deficient rats.
Area of Science:
- Biochemistry
- Toxicology
- Nutritional Science
Background:
- Selenium's historical perception as a toxic element since its 1817 discovery.
- The pivotal 1957 research demonstrating selenium's protective effects against liver necrosis in vitamin E-deficient rats.
Discussion:
- Re-evaluation of selenium's biological role from toxin to essential micronutrient.
- The significance of antioxidant properties in selenium's nutritional benefits.
Key Insights:
- Selenium is an essential trace element crucial for preventing specific types of tissue damage.
- Established the critical link between selenium, vitamin E, and liver health.
Outlook:
- Further research into selenium's biochemical pathways and health implications.
- Investigating optimal dietary selenium levels for human and animal health.
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