Final answer:
Anemia is a disorder characterized by a reduction in red blood cells and a decrease in oxygen-carrying capacity of the blood. Iron-deficiency anemia is a common type of anemia that can affect people living in developed countries. It occurs when the body lacks sufficient iron to produce enough hemoglobin, resulting in symptoms like weakness and fatigue.
Step-by-step explanation:
Anemia is a disorder in which the blood has an inadequate volume of red blood cells. This reduces the amount of oxygen that the blood can carry and may cause weakness and fatigue. One of the ways anemia can affect people living in developed countries is through iron-deficiency anemia, which is the most common type of anemia. This condition occurs when the body does not receive enough iron, leading to a lack of hemoglobin and oxygen in the blood.