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.
The acquired immune deficiency syndrome (AIDS) was first recognized in the early 1980s. AIDS is caused by the human immunodeficiency virus (HIV) and is spread through the exchange of body fluids (sexual encounters, sharing needles, blood transfusions).