What hormone makes happy?

Related questions

1. What are happy feelings?
2. What is human happiness?
3. What makes your brain happy?
4. How can you describe love in one word?
5. Does excited mean happy?
6. What's another word to describe love?
7. How would you describe true love?
8. What is another word for happiness or joy?
9. What's a better word for happy?
10. What's a bigger word for love?

Tags

1. #hormones
2. #dopamine
3. #responsible
4. #called
5. #release
6. #happiness
7. #popular
8. #endorphins
9. #biochemical
10. #processes
11. #serotonin