There is some evidence out there that links insulin resistance to depression via BDNF depletion, which is also implicated in schizophrenia. BDNF is also thought

There is some evidence out there that links insulin resistance to depression via BDNF depletion, which is also implicated in schizophrenia. BDNF is also thought to be up regulated by exercise. https://en.wikipedia.org/wiki/Brain-derived_neurotrophic_factor https://en.wikipedia.org/wiki/Brain-derived_neurotrophic_fac...