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Anemia is the result of an abnormally low number of red blood cells or a low hemoglobin level. Symptoms of anemia include pale skin, fatigue, weakness and loss of energy, rapid heartbeat and shortness of breath, particularly with exercise. Other symptoms can include dizziness, headache, cold hands and feet, etc. Anemia is most often caused by an iron or Vitamin B12 deficiency, a disease of the bone marrow or external and internal (digestive) blood losses. Hereditary diseases can also accelerate the destruction (hemolysis) of red blood cells as well as the ability of hemoglobin to carry oxygen. The diagnosis of anemia typically begins with examining the results of a whole blood count.

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Breast cancer

Breast cancer: This is a malignant tumour made up of many cancerous cells. It should be noted that breast cancer is not the most common cause of breast pain, as patients of this disease are often asymptomatic.