Does kissing increase immune system?

Related questions

1. What does the oxytocin hormone do?
2. Does exercise release oxytocin?
3. Why is oxytocin called love hormone?
4. Is oxytocin a happy hormone?
5. Can a girl get pregnant by kissing and hugging?
6. What triggers the release of oxytocin?
7. Does oxytocin affect menstruation?
8. Is kissing good for the health?
9. Can lack of hormones cause depression?
10. Can monkeys kiss?

Tags

1. #their
2. #exposing
3. #found
4. #study
5. #saliva
6. #frequently
7. #microbiota
8. #strengthen
9. #swapping
10. #couples
11. #boost
12. #immune
13. #tongues
14. #share
15. #germs
16. #immunity
17. #system