Uhm, the target is a specific muscle. The idea that our expressions also affect our emotions, and not just the other way around is ancient. It's been researche

Uhm, the target is a specific muscle. The idea that our expressions also affect our emotions, and not just the other way around is ancient. It's been researched as of late https://en.wikipedia.org/wiki/Facial_feedback_hypothesis https://en.wikipedia.org/wiki/Facial_feedback_hypothesis This procedure makes it impossible for the depressed people to frown, which seems to improve mood..