What the science says about how gut bacteria influences metabolism and chronic disease risk

Stylized conceptual image of gut bacteria. getty

Your gut microbiome may be an even stronger predictor of health than your genes, shaping everything from weight and metabolism to brain health and aging

Why Your Gut Bacteria Matter More Than You Think

Metabolism is often reduced to a simple equation of calories in versus calories out. Yet research increasingly shows that the trillions of microbes that make up your gut microbiome add another dimension to the equation, shaping how food is digested, how energy is extracted, and how nutrients influence weight and overall health.

What is becoming even more striking is that the microbiome’s reach goes far beyond metabolism. Alzheimer’s disease now a

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