What causes swollen lymph nodes in neck?

Related questions

1. Do cancer lumps hurt in the neck?
2. Can swollen lymph nodes in neck be cancer?
3. Should you be able to feel lymph nodes in neck?
4. What causes enlarged lymph nodes?
5. What does a cancer lump feel like in neck?
6. When should you worry about a swollen lymph node?
7. Is lymphoma painful in neck?

Tags

1. #system
2. #nodes
3. #stress
4. #illnesses
5. #infection
6. #caused
7. #become
8. #lymphatic
9. #response
10. #working
11. #swollen
12. #glands
13. #responsible
14. #lymph
15. #illness
16. #normally
17. #agents