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Can a healthy gut microbiome help protect against cancer? Cancer develops through a complex mix of genetics, lifestyle, and environmental exposures. For decades, the role of micro-organisms in this process was overlooked.

Looking for the best fiber supplement? Here's what psyllium, inulin, and other common options can and cannot do — and why whole food fiber will always outperform a supplement alone.

Taking probiotics after antibiotics seems logical. But the research on whether they actually restore microbiome diversity is more complicated than most people think. Here's what the evidence says.