what is anemia?
Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues. Having anemia, also referred to as low hemoglobin, can make you feel tired and weak. There are many forms of anemia, each with its own cause. Anemia has three main causes: blood loss, lack of red blood cell production, and high rates of red blood cell destruction. Conditions that may lead to anemia include: Heavy periods. Pregnancy.
