Part 1 of Essay
AIDS is the final, life-threatening stage of the infection with human immunodeficiency virus, or HIV. AIDS stands for acquired immunodeficiecy syndrome. The name refers to the fact that HIV severely damages the patient’s disease-fighting immune system. Cases of AIDS were first identified in 1981 in the United States, bu ....

Part 2 of Essay
.... which results in substantial weight loss, a general decline in health, and, in some cases, death. The virus also infects the nervous system. There, HIV may cause dementia, which is a condition characterized by sensory, thinking, and/or memory disorders. HIV infection of the brain may cause movement or coordination problems. HIV’s disruption of the immune system makes infected people susceptible to illnesses that are not normally serious. These diseases are called opportunistic illnesses because they take a ....