Gut reaction: How bacteria in the belly may affect the heart
The trillions of bacteria dwelling deep inside your digestive tract play a key role in your health. Collectively known as the gut microbiota, these microbes not only assist with digestion, but also make certain vitamins, break down toxins, and train your immune system. Over the past decade, scientists have uncovered compelling connections between different types of gut microbes and the development of obesity and diabetes—two factors closely tied to a higher risk of heart disease. Recently, several studies have explored how our gut microbes interact with the food we eat to spur artery-damaging inflammation and narrowing. While these findings are preliminary, experts hope they'll one day lead to personalized diet recommendations or other therapies to lower the risk of heart disease.
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