Whether poop speeds through your gut like a bullet train or takes a more smell-the-roses approach could have more profound implications for your overall health than a first glance would suggest. According to a 2023 review that combined data from dozens of studies, distinct differences can be observed between the gut microbiomes of ' speeders' and 'slowpokes' . Since the human gut microbiome is intrinsically linked to health, this could have implications that have gone unnoticed before now. In