According to the Mayo Clinic, enlarged red blood cells, or macrocytosis, is a non-specific medical condition that has a number of different causes. Among the most common are vitamin B12 deficiency, folate deficiency, alc... More »

Enlarged blood cells, which clinicians refer to as macrocytosis, may indicate the presence of an underlying disease or health condition, such as vitamin deficiency, hypothyroidism, increased red blood cell production, li... More »

An enlarged heart is dangerous because it can be indicative of congenital heart problems, arrhythmia, high blood pressure and diseases of the heart valve, according to Mayo Clinic. Kidney disease and HIV infections can a... More »

Causes of enlarged red blood cells, or macrocytosis, include folate deficiency, vitamin B-12 deficiency, liver disease, alcoholism and medication side effects, according to Mayo Clinic. Hematologists usually detect macro... More »

Large red blood cells, called macrocytosis, are not a cancer symptom but may signal a problem that needs to be examined medically, explains Mayo Clinic. Macrocytosis is not a disease and does not produce symptoms or sign... More »

Inactivity due to a medical condition such as paralysis is one medical cause of blood clots in the legs, according to WebMD. Cancer can also cause blood clots in the legs, as can damage to blood vessels that occurs as a ... More »

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Microcytic anemia is the condition wherein red blood cells are smaller than normal, and it is primarily caused by iron deficiency anemia and thalassemia, according to Dr. Siamak T. Nabili writing for eMedicineHealth. Iro... More »