Cabbage also doesn't work, but what does that have to do with a theory that: Metformin exerts a substantial neuroprotective effect, preserving brain structure

Cabbage also doesn't work, but what does that have to do with a theory that: Metformin exerts a substantial neuroprotective effect, preserving brain structure and enhancing cognitive ability. We obviously want additions or replacements to physical and mental exercise depending on how much we get.