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HIV$AIDS DEMENTIA

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 HIV &AIDS DEMENTIA AIDS dementia complex typically occurs as the CD4+ count falls to less than 200 cells/microliter. It may be the first sign of AIDS. With the advent of highly active antiretroviral therapy (HAART), the frequency of ADC has declined. HAART may not only prevent or delay the onset of AIDS dementia complex in people with HIV infection, it can also improve mental function in people who already have ADC. Causes of AIDS Dementia AIDS dementia complex is caused by the HIV virus itself, not by the opportunistic infections that occur commonly in the course of the disease. We do not know exactly how the virus damages brain cells. HIV may affect the brain through several mechanisms. Viral proteins may damage nerve cells directly or by infecting inflammatory cells in the brain and spinal cord. HIV may then induce these cells to damage and disable nerve cells. HIV appears to cause generalized inflammation , which cause