Rethinking the gut microbiome: Health is not about staying the same, say experts

MedicalXpress | Apr 09, 2026

At any moment, your body hosts trillions of microorganisms, on your skin, in your hair, and especially in your gut. Together they form the microbiome. It plays a crucial role in digestion, immunity, and overall health. Yet despite decades of research, microbiome-based interventions such as probiotics or fecal transplants still produce inconsistent results.