What does it mean to feel blue?

Feeling blue refers to feelings of sadness, or feeling down. Remedies for feeling blue include spending time in nature, getting physically active, or finding something humours and laughing.
Feeling blue refers to feelings of sadness, or feeling down. Remedies for feeling blue include spending time in nature, getting physically active, or finding something humours and laughing.

My Blues Blues by Màrius Montón, CC BY-NC-SA 2.0 ( Flickr®, accessed September 17, 2013, - ppt download

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