Key Employees are relavant to qualified plans for two distinct purposes: Family Attribution determination and nondiscrimination testing. Although not relevant to the topic of this page 26 USC Â§ 1563(e) also provides a definition for Highly Compensated Employees (HCE) and Substantial-Owners.
Then your body has less hemoglobin, and you cannot get enough oxygen. Iron deficiency is the most common cause of anemia. Iron deficiency anemia is caused by low levels of iron in the body. You might have low iron levels because you: 1  Have heavy menstrual bleeding.2  Are not getting enough iron in food.hen your body has less hemoglobin, and you cannot get enough oxygen. Iron deficiency is the most common cause of anemia. Iron deficiency anemia is caused by low levels of iron in the body. You might have low iron levels because you: 1  Have heavy menstrual bleeding.
If you aren't consuming enough iron, or if you're losing too much iron, your body can't produce enough hemoglobin, and iron deficiency anemia will eventually develop. Causes of iron deficiency anemia include: 1  Blood loss.2  Blood contains iron within red blood cells. 3  So if you lose blood, you lose some iron.4  Women with heavy periods are at risk of iron deficiency anemia because they lose blood during menstruation.auses of iron deficiency anemia include: 1  Blood loss. 2  Blood contains iron within red blood cells. 3  So if you lose blood, you lose some iron.