Story Highlights. The average GPA at four-year colleges and universities has risen from 2.52 in the 1950s to 3.11 in 2006. Former Duke University professor found that at some colleges over 50% of the grades given are A's.
A. A. A. AIDS wasting syndrome occurs when you have AIDS and lose at least 10% of your body weight -- especially muscle. You may also have at least 30 days of diarrhea or extreme weakness and fever that's not related to an infection.
Signs and Symptoms. Symptoms of AIDS are caused by the deterioration of the immune system and the decline of CD4+ T cells, which are the immune system's key infection fighters. As soon as HIV enters the body, it begins to destroy these cells. Some common symptoms include: Diarrhea that lasts for more than a week.