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.
People become anemic when red blood cells don't carry enough oxygen to the tissues in their body. Various conditions can cause anemia, including an inherited illness called sickle cell anemia, but iron deficiency is the most common cause. The human body needs iron to make hemoglobin, the oxygen-carrying red pigment in blood.