4 ms·

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• isakkeyten 8y ago
  Are you implying only rich people have time to exercise?
• wufufufu 8y ago
  The study described (albeit in mice) eliminates that confounding variable.
  • mi100hael 8y ago
    Maybe the researchers only allowed the rich mice to move to the "fun house" cage
• iskander 8y ago
  It's worth reading the article, it's about an interesting study in lab mice.