Most Americans know that diet and heart health are connected, but a new study in the Journal of the American College of Cardiology looks at a surprising reason as to why.
When your food gets to your stomach, your gut bacteria get to work. And when those bacteria digest carnitine, which is almost exclusively found in red meat, and choline, found in high-fat dairy products and egg yolks, they produce a metabolite called trimethylamine N-oxide, or TMAO. That’s bad news for your heart, because earlier animal research found that TMAO helps transport cholesterol to the arteries, where it forms dangerous plaques that can lead to heart disease.
Stanley Hazen, MD, PhD, department chair of Cellular and Molecular Medicine at Cleveland Clinic’s Lerner Research Institute, and his team measured the blood levels of TMAO in 720 stable patients with heart failure and followed them over five years, wondering if TMAO would…
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