Selenium: A World of Discovery

Selenium is often overlooked, yet it's an important component in human health and deserves to be given our full attention. Healthcare professionals and scientists around the world have recognized its importance in biological systems. Selenium, derived from the Greek "selene," meaning moon, is an essential nutrient for our bodies. Selenium is an antioxidant that contributes to the synthesis of DNA, reproduction and thyroid hormone metabolism.

Understand Selenium: How Does It Work?

The trace mineral selenium is found in certain food, soil and water. Selenium is required only in very small quantities, but it plays an important role in the body. This element is gaining more attention due to its increased health benefits.

Selenium is a subject of recent media attention due to studies that suggest its role in the prevention of various diseases. Some news sources have covered research that explores selenium’s role in slowing age-related cognitive decline, improving immune system function and reducing cancer risk.

Selenium: Benefits and drawbacks

Selenium has been shown to have many benefits in several clinical studies . In a significant review in Cochrane Database of Systematic Reviews published (2014), selenium was suggested to reduce cancer risk. Selenium is also known to boost immunity, especially for people with HIV and other illnesses that affect the immune systems.

Selenium, just like other substances, can be harmful if consumed excessively. According to some studies , high selenium levels can cause selenosis. This condition is characterized by nausea and hair loss. It's therefore important to maintain a balance in selenium consumption.

• Benefits:
  • May reduce cancer risk
  • Boosts immune system function
• Drawbacks:
  • Selenosis can be caused by excessive intake

Experts' opinions on Selenium

Researchers and healthcare professionals agree that selenium is important for the human body. Selenium, according to Dr. Margaret Rayman of the University of Surrey is vital for thyroid and immune function.

Experts warn against the risks of too much selenium. National Institutes of Health cautions high levels of selenium can lead to symptoms like gastrointestinal disturbances, hair loss and white blotchy nail.

Get Started With Selenium

Selenium intake varies with age. The recommended intake for adults and children older than 14 is 55 micrograms per day. Women who are pregnant or breastfeeding should consume 60 micrograms of iron per day.

Foods rich in selenium include seafood, poultry, grains, milk, cereals and bread. Brazil nuts contain a high amount of selenium. Just two nuts provide enough to meet the recommended daily intake.

• Children and adults over 14 years old: 55 micrograms/day
• Women who are pregnant: 60 micrograms/day
• Women who are breastfeeding: 70 micrograms/day

Selenium overdose: Side Effects

Selenium can be harmful in excess. The symptoms include hair loss and nail changes. They can also cause nausea, irritability or fatigue. It's therefore important to ensure that selenium consumption is within recommended levels.

Conclusion

Selenium, a crucial nutrient, has numerous health benefits. It can boost immune system functions and reduce cancer risks. It's important to keep a balance, as too much selenium can have adverse effects. You can reap these benefits by including selenium rich foods into your diet without the dangers of excessive consumption.

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