Does the microbiome deserve so much hype?

The ‘microbiome’ is very trendy right now. Maybe you’ve seen supplements marketed on social media or on store shelves that supposedly “support a healthy gut microbiome.” But what exactly is a microbiome? What does it have to do with your health? And is your gut microbiome actually connected to your brain?! Links to the Tiny Show & Tell stories here and here. Episode transcripts at acs.org/tinymatters  See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.