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

NPR health correspondent Will Stone breaks down what the science says about probiotics, microbiome testing, and the best ways to improve your gut health. He explains that only a few probiotic strains have strong evidence for specific conditions like diarrhea, and that diet is the most powerful tool for a healthy microbiome. The episode also underscores the connection between gut microbes and overall well-being, including mental health.