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Over time, they cause acquired immunodeficiency syndrome (AIDS), [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. [3] Without treatment, the average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype. [4]
While the cause of the common cold was identified in the 1950s, the disease appears to have been with humanity since its early history. [20] Its symptoms and treatment are described in the Egyptian Ebers papyrus, the oldest existing medical text, written before the 16th century BCE. [102]
It can affect one or both of the eyes. If this condition continues, the eyelids can be thickened by lichenification. If it is caused by an irritant or allergen, symptoms typically occur within a few hours or days of contact with a trigger substance. Symptoms should decrease when the trigger substance is removed. [2]
Sample Ishikawa diagram shows the causes contributing to problem. The defect, or the problem to be solved, [1] is shown as the fish's head, facing to the right, with the causes extending to the left as fishbones; the ribs branch off the backbone for major causes, with sub-branches for root-causes, to as many levels as required. [3]
Bell's palsy is a type of facial paralysis that results in a temporary inability to control the facial muscles on the affected side of the face. [1] In most cases, the weakness is temporary and significantly improves over weeks. [4]
Bubonic plague is one of three types of plague caused by the bacterium Yersinia pestis. [1] One to seven days after exposure to the bacteria, flu-like symptoms develop. [1] These symptoms include fever, headaches, and vomiting, [1] as well as swollen and painful lymph nodes occurring in the area closest to where the bacteria entered the skin. [2]
Prostate cancer is the uncontrolled growth of cells in the prostate, a gland in the male reproductive system below the bladder.Abnormal growth of prostate tissue is usually detected through screening tests, typically blood tests that check for prostate-specific antigen (PSA) levels.
James David "JD" Vance [a] (né Bowman; formerly Hamel; [b] born August 2, 1984) is an American politician, author, and Marine veteran who has served since 2023 as the junior United States senator from Ohio.