<human>:  Explain the symptoms of anemia.
<bot>: Anemia is a condition in which the body does not have enough healthy red blood cells to carry adequate oxygen to the body's tissues. Symptoms of anemia can include fatigue, pale skin, weakness, dizziness, shortness of breath, and a fast or irregular heartbeat. Other more severe symptoms can include chest pain, confusion, and coldness in the hands and feet. Iron deficiency is the most common type of anemia.