What Makes Selenium Essential for Your Health?

TL;DR

Selenium is vital for thyroid function, detoxifying mercury, and preventing diseases like cancer and dementia. It is primarily found in Brazil nuts due to their sulfur-deficient soil, but is also present in various meats and other foods. However, excessive selenium intake can lead to toxicity, causing serious health issues.

Transcript

today I want to talk about some really interesting points about selenium that you've never heard before so when I talk about selenium which is the trace mineral Brazil nuts are really high in selenium they might know that it's involved in thyroid function it helps convert T4 the inactive version of the thyroid hormone to the active form of the thyr... Read More

Key Insights

• 💗 Selenium found in Brazil nuts originates from the unique sulfur-deficient soil conditions in which the trees grow.
• 🥺 Overconsumption of selenium can lead to various health issues, emphasizing the importance of moderation.
• 🦠 Soil microbes are essential for the absorption and availability of selenium to plants.
• 🧑‍⚕️ Neglecting soil microbial diversity can adversely affect plant, animal, and human health.
• ❓ Pesticides, herbicides, and sterilization practices in farming contribute to soil microbial depletion.
• ❓ Genetic mutations related to selenium metabolism highlight the significance of selenium intake.
• 🖐️ Selenium plays a crucial role in protecting muscle health and combating the effects of statin medications.

Questions & Answers

Q: Why are Brazil nuts high in selenium?

Brazil nuts grow in sulfur-deficient soil, and selenium can bind with amino acids like sulfur, making it highly concentrated in these nuts.

Q: What are the risks of selenium toxicity?

Excessive selenium intake can lead to hair loss, neuropathies, tremors, heart problems, and other neurological issues.

Q: Besides Brazil nuts, what are other food sources of selenium?

Selenium can be found in meats (red, organ, chicken, turkey, pork, and lamb), shellfish, eggs, nutritional yeast, and some plants.

Q: How does selenium impact soil and plant health?

Selenium is not readily absorbed by plant roots and requires the assistance of microbes. Microbes help extract selenium, promoting plant growth and nutrition.

Q: What is the significance of microbial diversity in soil?

Microbes play a vital role in extracting minerals from rocks, making them available to plants. Lack of microbial diversity in soil affects plant and animal health and even human health.

Q: How do pesticides and herbicides affect soil and human health?

The excessive use of pesticides and herbicides disrupts soil microbial diversity, leading to plant health issues and the need for antibiotics, which further affects human health.

Q: Are there genetic factors that affect selenium metabolism?

Genetic mutations related to selenium proteins or enzymes can impact selenium metabolism, necessitating adequate selenium intake to support important liver enzymes like glutathione.

Q: How does selenium affect the microbiome?

Selenium can enhance the diversity and abundance of microbes in the gut, particularly beneficial for individuals with dysbiosis or microbial imbalances.

Key Insights:

• Selenium found in Brazil nuts originates from the unique sulfur-deficient soil conditions in which the trees grow.
• Overconsumption of selenium can lead to various health issues, emphasizing the importance of moderation.
• Soil microbes are essential for the absorption and availability of selenium to plants.
• Neglecting soil microbial diversity can adversely affect plant, animal, and human health.
• Pesticides, herbicides, and sterilization practices in farming contribute to soil microbial depletion.
• Genetic mutations related to selenium metabolism highlight the significance of selenium intake.
• Selenium plays a crucial role in protecting muscle health and combating the effects of statin medications.
• Selenium can positively influence gut microbial diversity and abundance.

Summary & Key Takeaways

• Selenium is involved in thyroid function, detoxifying mercury, and preventing cancer, cardiovascular issues, strokes, and dementia.

• Brazil nuts contain high selenium levels due to their growth in sulfur-deficient soil, where selenium can substitute sulfur in amino acids.

• Overconsumption of selenium can lead to toxicity, causing hair loss, neuropathies, tremors, heart issues, and neurological problems.

• Selenium is not just found in Brazil nuts but also in other foods like meats, shellfish, eggs, nutritional yeast, and certain plants.