Selenium deficiency

Selenium deficiency
Selenium
Specialty	Endocrinology
Causes	compromised intestinal function

Selenium deficiency occurs when an organism lacks the required levels of selenium, a critical nutrient in many species. Deficiency, although relatively rare in healthy well-nourished individuals,^[1] can have significant negative results,^[2] affecting the health of the heart and the nervous system; contributing to depression, anxiety, and dementia; and interfering with reproduction and gestation.