HEALTH AND IMMUNITY

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Serum iron is low when a person has an iron deficiency. Iron levels are also low in those who have anaemia that might be caused by chronic diseases (Anaemia of Chronic Disease [ACD]). Iron is vital for various metaoblic processes in the body as it is responsible for the production of haemoglobin. Haemoglobin is the pigment on helps the Red Blood Cells (RBCs) that help them carry oxygen in blood to various parts of the body.

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A blood sample is drawn to evaluate the level of vitamin B12 present in the body. The body needs this vitamin to make blood cells and maintain a healthy nervous system. Vitamin B12 is usually measured at the same time as a folic acid test, because a lack of either one or both can lead to a form of anaemia called megaloblastic anaemia. Elevated concentrations of vitamin B12 have been associated with pregnancy, the use of oral contraceptives and multivitamins.

A blood sample drawn to evaluate the level of Vitamin D present in the body. Vitamin D is a nutrient that is essential for healthy bones and teeth. The doctor would recommend a vitamin D test to evaluate abnormal levels of calcium or phosphorous, especially whem there is a risk of bone diseases or bone weakness. This test would also be used to evaluate the risks of osteoporosis and other diseases.