Can smiling change your mood?

Related questions

1. Does fake smiling make you happy?
2. How can I get perfect teeth?
3. What is smile depression?
4. When did Harvey Ball create the smiley face?
5. What do the faces mean on SC?
6. How often should you smile?
7. How much money did the smiley face make?
8. Do white teeth make you more attractive?
9. Can smiling make you feel happier?
10. What is a real smile called?

Tags

1. #prolong
2. #chemical
3. #health
4. #boost
5. #shown
6. #immune
7. #possibly
8. #happier
9. #science
10. #happiness
11. #smile
12. #powerful
13. #reaction
14. #trick
15. #smiling
16. #brain
17. #system
18. #spurs
19. #stress
20. #lower