Does Viagra affect sperm quality?

Related questions

1. Does ejaculating hurt epididymitis?
2. Can the vas deferens get blocked?
3. Can epididymitis lead to cancer?
4. What is the clear liquid that comes out before sperm?
5. Can a man with low sperm count get a woman pregnant?
6. Why does it feel good when sperm comes out?
7. Does a Female Orgasim increase chances of pregnancy?
8. What happens if epididymitis goes untreated?
9. Can a woman give a man epididymitis?
10. Is epididymitis serious?

Tags

1. #researchers
2. #needed
3. #sperm
4. #impotence
5. #found
6. #taking
7. #viagra
8. #reaction
9. #reduce
10. #study
11. #fertility
12. #suggest
13. #results
14. #penetrate
15. #speeds
16. #prematurely
17. #occur
18. #caused
19. #could
20. #vital