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.
Relevance. Rating Newest Oldest. Best Answer: AIDS is caused by the human immunodeficiency virus (HIV). By leading to the destruction and/or functional impairment of cells of the immune system, notably CD4+ T cells, HIV progressively destroys the body's ability to fight infections and certain cancers.