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.
If you have AIDS, the following factors can work together to promote weight loss and wasting syndrome: Not eating enough. It may be difficult to get adequate nutrition for reasons such as these: 1  Poor appetite from HIV infection. 2  Medication side effects, such as nausea, changes in taste, or mouth tingling.
How AIDS develops. 1  The immune system is gradually disrupted. HIV kills cells in the lymph nodes (small glands filled with immune cells that trap foreign organisms) and in other sites. 2  Virus levels in the blood and the lymph nodes increase because the immune system cannot keep up with the amount of virus constantly produced. HIV constantly changes itself, avoiding attack by the antibodies and immune cells that normally control infections.