4 ms·There should be a lasting effect when you replace your gut bacteria, not just some mood swings.by blfr 11y agoThere should be a lasting effect when you replace your gut bacteria, not just some mood swings.Retra 11y agoSays who? You could easily imagine your body to acclimatize to new bacteria.blfr 11y agoSays the theory that gut bacteria explains mood, the title of the OP.Retra 11y ago"Mood" is not a lasting effect.