Sun-induced frowning: a possible cause of aggression?

Research recently published examines how facial expression can trigger an emotional response. The authors set out to test this theory that mood can be governed by facial expression, to the extent that intensity of a person’s smile bears a relationship to well-being, fulfillment and longevity. They conducted a study on involuntary sun-induced frowning and relationship to emotional state of the subject.

Read the complete article from Science Daily here: Sun Induced Frowning