Is muscle twitching normal?

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Tags

1. #disease
2. #stress
3. #thumb
4. #triggered
5. #disorders
6. #twitches
7. #anxiety
8. #these
9. #quite
10. #normal
11. #often
12. #benign
13. #caused
14. #eyelids
15. #common
16. #affecting
17. #usually