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What Is Anemia And Its Link To Heart Disease? Being a common blood disorder, anemia occurs when a person does not have enough red blood cells or when the red blood cells do not function properly. Red blood cells carry hemoglobin, an iron-rich protein that attaches to oxygen in the lungs and carries it to tissues throughout the body. Red blood cells are produced regularly in the bone marrow. To produce hemoglobin and red blood cells, the body needs iron, Vitamin B-12, folate and other nutrients obtained from the foods. People with anemia can have symptoms like pale appearance, numbness in the hands and feet, feeling cold all the time (especially in the hands and feet, fatigue), weakness, chest pain or discomfort, shortness of breath, irregular heartbeat, frequent headaches or dizziness. Anemia can initially be so mild that people may not notice it. But as anemia worsens, signs and symptoms may become more apparent. Common causes of anemia include insufficient iron in the blood; an inherited blood condition; lack of Vitamins like B-12 and folate because of poor diet; chronic illness such as diabetes, kidney disease or cancer, HIV/AIDS, inflammatory bowel disease; rapid blood loss due to recent surgery, heavy periods, or a bleeding ulcer.
Depending on the causes, there are 5 most common
forms of anemia, namely iron-deficiency anemia (a lack of iron), sickle cell
anemia, thalassemia, megaloblastic anemia, and hemolytic anemia. Sickle cell
anemia is an inherited condition in which red blood cells are misshapen or
sickle shaped. These red blood cells cause them to be more fragile and less
effective at delivering oxygen to the tissues. Thalassemia is a genetic disorder
in which the body does not make enough red blood cells or hemoglobin.
Megaloblastic red blood cells are produced when the body does not get enough
vitamin B12 or folate. In hemolytic anemia, red blood cells are rapidly removed
from the bloodstream. It can be due to infections, medications, and diseases of
the immune system, or it can occur after blood transfusions.
Being a common blood disorder, anemia occurs when a person does not have enough red blood cells or when the red blood cells do not function properly. Red blood cells carry hemoglobin, an iron-rich protein that attaches to oxygen in the lungs and carries it to tissues throughout the body. Red blood cells are produced regularly in the bone marrow. To produce hemoglobin and red blood cells, the body needs iron, Vitamin B-12, folate and other nutrients obtained from the foods. People with anemia can have symptoms like pale appearance, numbness in the hands and feet, feeling cold all the time (especially in the hands and feet, fatigue), weakness, chest pain or discomfort, shortness of breath, irregular heartbeat, frequent headaches or dizziness. Anemia can initially be so mild that people may not notice it. But as anemia worsens, signs and symptoms may become more apparent. Common causes of anemia include insufficient iron in the blood; an inherited blood condition; lack of Vitamins like B-12 and folate because of poor diet; chronic illness such as diabetes, kidney disease or cancer, HIV/AIDS, inflammatory bowel disease; rapid blood loss due to recent surgery, heavy periods, or a bleeding ulcer.
Depending on the causes, there are 5 most common
forms of anemia, namely iron-deficiency anemia (a lack of iron), sickle cell
anemia, thalassemia, megaloblastic anemia, and hemolytic anemia. Sickle cell
anemia is an inherited condition in which red blood cells are misshapen or
sickle shaped. These red blood cells cause them to be more fragile and less
effective at delivering oxygen to the tissues. Thalassemia is a genetic disorder
in which the body does not make enough red blood cells or hemoglobin.
Megaloblastic red blood cells are produced when the body does not get enough
vitamin B12 or folate. In hemolytic anemia, red blood cells are rapidly removed
from the bloodstream. It can be due to infections, medications, and diseases of
the immune system, or it can occur after blood transfusions.
Date: September 5, 2019
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