Health and Disease HIV and AIDS
HIV stands for Human Immunodeficiency Virus, which is a virus that attacks the immune system of the human body. It specifically targets CD4 cells, also known as T-helper cells, which play a vital role in defending the body against infections and diseases. When HIV enters the body, it replicates and gradually weakens the immune system over time. This makes the infected individual more susceptible to various infections and diseases. If left untreated, HIV can progress to a more advanced stage known as Acquired Immunodeficiency Syndrome (AIDS). AIDS refers to the later stage of HIV infection when the immune system becomes severely compromised, resulting in an increased risk of developing opportunistic infections or certain types of cancer. At this stage, the body is unable to effectively fight off illnesses, and without treatment, it can lead to fatal complications. Real-life examples of HIV and AIDS: 1. HIV Transmission: HIV can be transmitted through various means, including unprotected...