DEAR DR. ROACH: I’m a 67-year-old female in pretty good health. The only medications I take are for my thyroid, arthritis and hormone replacement. Early last year, I was sick with a cold/flu for a ...

Bacteria naturally present in the human intestine, known as the gut microbiota, can transform cholesterol-derived bile acids into powerful metabolites that strengthen anti-cancer immunity by blocking ...

Efforts to raise gut health awareness, including the ‘blue poop challenge’, have recently made quite a, *ahem*, splash across social media. Participants eat dyed muffins to measure their individual ...