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.
AIDS is caused by infection of the individual with a human immunodeficiency virus (HIV) that alters a person's immune system and damages his/her ability to fight off other diseases. AIDS is primarily spread by sexual contact and the sharing of contaminated needles and syringes among users of illegal intravenous drugs.