> However, they're comparing against no gut bacteria at all, a condition never found in nature. Maybe not in nature, but I wonder if it's a similar situation t

> However, they're comparing against no gut bacteria at all, a condition never found in nature. Maybe not in nature, but I wonder if it's a similar situation to human mothers who have recently taken a heavy course of antibiotics. IIUC, that can somewhat nuke one's gut flora.