AIDS or Acquired immunodeficiency disease is an infectious disease caused by human immunodeficiency disease or HIV. HIV is a retrovirus that kills the T-cells of the immune system of man. AIDS infects the immune system of the body mainly the white blood cells known as lymphocytes. The main causes of HIV/AIDS are unprotected sex, infected blood transfusion and transmission from mother to child.
The some of the causes of HIV/AIDS are listed below.
The heavy ancillary use of glucocorticoids and other immunosuppressive agents to medically treat the wide range of the chronic illnesses among drug users and homosexuals in USA and Europe are the causes of HIV/AIDS.
In Africa AIDS is caused by malnutrition and release of endogenous cortisol
Infants and children with congenital illness from birth are exposed to drugs and corticosteroids in utero before birth and to corticosteroids after birth cause HIV/AIDS.
Most commonly the causes of HIV/Aids are sex with an infected partner. The virus enters body the lining of the vagina, penis, rectum or mouth during oral sex.
HIV/AIDS spreads from drug users who share needles and syringes.
HIV/AIDS gets transmitted from a mother to a child during pregnancy or childbirth .
HIV causes AIDS infecting the CD4+T cells present in the human blood. Gradually the number of these cells declines from the normal range of 800 to 1200 Cd4+T cells per cubic millimeter of blood to below 200/mm3. As a result the person becomes vulnerable to diseases and looses his immunity gradually. People with AIDS suffer from weight loss, diarrhea, infections in lungs and intestines, and cancer like Kaposis sarcoma.
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Transmission of HIV/AIDS from Mother to Child
Vertical Transmission of HIV
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