Your body is home to trillions of microbes that influence everything from digestion to disease risk. But how exactly do they shape your health? In this episode of MMI Monthly, we explore the microbiome's role in disease detection, treatment, and even personalized nutrition with Dr. Jotham Suez in the Molecular Microbiology and Immunology Department at the Johns Hopkins Bloomberg School of Public Health. Plus, what artificial sweeteners might be doing to your gut—spoiler: it's not what you'd expect.