Little Girl Blue by Randy Schmidt happens to be the latest (and best) Karen Carpenter biography to be published since her death in 1983. Highlights of the book include loads of information and history of The Carpenters' music, plus some insight into Karen’s anorexia nervosa battle.

What causes anorexia in Hollywood celebrities? For child stars Mary-Kate and Ashley Olsen, the stress of fame may have caused Mary-Kate to become anorexic, but it's dangerous to speculate. Mary-Kate has admitted that it was extremely difficult to grow up in the public eye. Let's face it, the Olsen twins have been in front of a camera since they were nine months old. That's pretty much their entire lives.

We can all recognize signs of anorexia when they're obvious -- such as troubled teenagers, or girls with anorexia who obsess about "thinspiration". However, there are more subtle signs of anorexia nervosa that you should know.