Why do you get cluster headaches?

Related questions

1. What is Sphenopalatine neuralgia?
2. Where does the pterygoid plexus drain into?
3. What does the sphenopalatine ganglion do?
4. What is an inflammatory headache?
5. What goes through the foramen of the skull?
6. Where does the lesser petrosal nerve come from?
7. What goes through Pterygopalatine fossa?
8. Where is the Pterygopalatine fossa?
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Tags

1. #unlike
2. #abnormalities
3. #foods
4. #changes
5. #cause
6. #clock
7. #headache
8. #hormonal
9. #exact
10. #cluster
11. #unknown
12. #tension
13. #patterns
14. #biological
15. #suggest
16. #associated
17. #headaches
18. #triggers
19. #hypothalamus
20. #stress
21. #migraine
22. #generally