Mental Floss: Big Questions

Mental Floss: Big Questions

Does cracking your knuckles cause arthritis? (2x14)


Udgivelsesdato: Dec 07, 2015

This week, seanjedi97 asks, "Does popping your knuckles really cause arthritis?"

  • Rang #
  • Premieret: Sep 2014
  • Afsnit: 79
  • Følgere: 0
  • Slut
  • YouTube
  • på 13