Depression is not something that can be easily diagnosed. But while its diagnosis usually entails the help of a professional, you can and should keep an eye out for certain clues that could indicate a friend or loved one you're concerned about is going through something more serious than a case of the blues. Just what are these telltale signs? Browse through the gallery to learn about a few of them.
(Originally published as "Kim Chiu refutes rumored suicide attempt + 5 ways to check if a friend is in a depression danger zone" on Female Network; photo by Lawrence Murray via Flickr Creative Commons)