What causes spark plugs to go bad fast?

Related questions

1. How many miles before I change my spark plugs?
2. What are spark plug gaps measured in?
3. What is the advantage of using iridium spark plug?
4. Is Anti Seize needed on spark plugs?
5. Will a loose spark plug cause a misfire?
6. How tight should I do my spark plugs?
7. Does spark plug gap make a difference?
8. How long will a spark plug last?
9. What do NGK Spark Plug numbers mean?
10. How often should I replace Iridium spark plugs?

Tags

1. #improperly
2. #ignition
3. #there
4. #faster
5. #other
6. #damage
7. #incorrect
8. #spark
9. #factors
10. #timed
11. #eventually
12. #engine
13. #reduce
14. #electrode
15. #overheating
16. #ratio
17. #plugs
18. #cause
19. #question