This type of depression occurs when people hide their true feelings behind a smile, making others think they are happy.

The world lost a wonderful comedian in Robin Williams this year, when he committed suicide after battling with depression.

Starting as babies, people smile to engage with others and attract ... It also will not alleviate symptoms of anxiety, depression, or more serious conditions that would benefit from treatment.

but behind Matt Johnson's smile hides a secret past of depression. Now Matt's here to talk about the years of his life where he was depressed, binge drinking, and even suicidal. Joining Matt is ...