Here are some benefits for adding Selenium to your dietary routine.

After some research I have decided to add Selenium to my regimen to help prevent or slow the development of Alzheimer Disease. I will mention, this is not medical advice and you should consult your doctor before adding a supplement to your regimen. Now lets get into some of the information I have found. I will be including references for further reading.

Selenium is a trace element that is essential for human health. It plays a vital role in many physiological processes, including the metabolism of thyroid hormones and the maintenance of a healthy immune system. The medical benefits of taking selenium have been widely studied and include the following:

Thyroid Health: Selenium is an essential component of the enzyme that converts the thyroid hormone thyroxine (T4) to its active form, triiodothyronine (T3). Selenium deficiency has been linked to an increased risk of autoimmune thyroid disorders, such as Hashimoto's thyroiditis and Graves' disease. Supplementation with selenium has been shown to improve thyroid function in individuals with these conditions (1,2).

Cancer Prevention: Selenium has been found to have antioxidant properties, which may help to prevent the formation of cancerous cells. Studies have shown that individuals with higher levels of selenium in their blood have a reduced risk of certain types of cancer, including prostate, colon, lung, and skin cancer (3,4,5).

Immune Function: Selenium is involved in the production of white blood cells, which are essential for fighting off infections. Studies have shown that selenium supplementation can improve immune function in individuals with HIV and other autoimmune diseases (6,7).

Cardiovascular Health: Selenium has been found to have a protective effect on the cardiovascular system. Studies have shown that individuals with higher levels of selenium in their blood have a reduced risk of heart disease (8).

Male Reproductive Health: Selenium is involved in the production of sperm and may play a role in male fertility. Studies have shown that selenium supplementation can improve sperm quality and motility in men with poor semen parameters (9,10).

In conclusion, selenium is an essential trace element that plays a vital role in many physiological processes. Studies have shown that selenium supplementation can have a number of health benefits, including the prevention of cancer, improved thyroid function, and enhanced immune and cardiovascular health. However, as with any dietary supplement, it is important to consult with a healthcare professional before starting any supplement regimen.

References:

Rayman, MP. "The importance of selenium to human health." The Lancet. Vol. 356, 2000, pp. 233-241.

Gärtner, R. et al. "Selenium in the treatment of autoimmune thyroiditis: a systematic review and meta-analysis." Journal of Clinical Endocrinology & Metabolism. Vol. 96, 2011, pp. 1489-1496.

Combs, GF Jr. "The role of selenium in cancer prevention." The Journal of the American Medical Association. Vol. 276, 1996, pp. 1957-1958.

Duffield-Lillico, AJ. et al. "Baseline characteristics and the effect of selenium supplementation on cancer incidence in a randomized clinical trial: a summary report of the Nutritional Prevention of Cancer Trial." Cancer Epidemiology, Biomarkers & Prevention. Vol. 12, 2003, pp. 1476-1483.

Clark, LC. et al. "Effects of selenium supplementation for cancer prevention in patients with carcinoma of the skin. A randomized controlled trial." JAMA. Vol. 276, 1996, pp. 1957-1963.

Beck, MA. et al. "The impact of selenium supplementation on immune function in HIV-positive men." Journal of Acquired Immune Deficiency Syndromes. Vol. 28, 1998, pp. 351-360.

Meydani

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