The Real Reason You’re Not Motivated to Exercise

This is a bit weird, but interesting.

The Real Reason You’re Not Motivated to Exercise

My sister told me about this study at Xmas.  Having read your linked article, I think it's bullshit.

Wipe out a mouse's gut biome, and he stops feeling like exercising?  Yeah, no shit.  When you feel like crap the last thing you want to do is run on a hamster wheel.  Having battled gut bacteria problems nearly all my life, I can sympathize with Mickey.