Targeting microbes in the gut might help prevent heart disease brought on by a Western diet, containing high amounts of red meat, eggs and high-fat dairy products, according to the Cleveland Clinic (Cell 2015 Dec. 17. [Epub ahead of print]).

Several years ago, public health officials were touting the health benefits of a Mediterranean diet, rich in olive oil, as one road to a healthy heart. This study helps explain why this diet is better.