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According to the Mayo Clinic, about 39.5 million people worldwide have HIV, the virus that causes AIDS, and "although the spread of the virus has slowed down in some countries, it has escalated or remained unchanged in others." AIDS is a disease that attacks the immune system, causing complications and making it difficult for the human body to fight the simplest of viruses, infections and even the common cold.
Complications
AIDS attacks and weakens the immune system. Eventually, the body loses its ability fight off viruses, bacteria, infections and diseases. Common complications that can occur in AIDS patients are viral hepatitis, herpes simplex virus, cryptococcal meningitis, cryptosporidiosis, neurological complications and non-Hodgkin's lymphoma.
Neurological Complications
According to the National Institute of Neurological Disorders, HIV interferes with the function of nerve cells. Complications due to nerve cell interference may include headaches, stroke, memory changes and weakness of the limbs.
Viral Hepatitis
Because of their weakened immune systems, AIDS patients are more susceptible to liver diseases, such as viral hepatitis.
Cryptococcal Meningitis
Cryptococcal meningitis is a condition often associated with HIV. Meningitis is an inflammation of the brain and, if not treated at the onset of symptoms, can quickly turn fatal.
Non-Hodgkin's Lymphoma
Non-Hodgkin's lymphoma is a cancer of the lymphocytes and is common in HIV patients. This type of cancer impairs the white blood cells in the bone marrow. Non-Hodgkin's lymphoma is treatable. However, HIV patients may have a harder time fighting off the disease.
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