Does taking vitamin C help?

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  2. #found
  3. #experts
  4. #treating
  5. #little
  6. #inconsistent
  7. #findings
  8. #vitamin
  9. #preventing
  10. #colds
  11. #studied
  12. #prevent
  13. #benefit
  14. #possible
  15. #overall
  16. #common
  17. #years