Should I take a probiotic? And other gut questions, answered

Research shows that our gut microbiome -- the trillions of microbes that populate our intestines -- isn't just involved in digestion. It's intimately linked to our immune systems, mental health, cognition and more. If you want to improve the health of your gut microbiome, there are specific best practices that can help. This episode, NPR health correspondent Will Stone shares tips on probiotic…