[TaupeRanger]

Literally none. Please point out a study done in humans that was posted. I'll read it to see if a causal effect is shown in humans.

[Retric]

There are a lot of such studies but if you really just one one example I will pick one at random: https://link.springer.com/article/10.1007/s00248-007-9356-5

Let me guess you’re going to move the goalpost.