An international study, led by Ben Gurion University Professor Iris Shai, has shown that the green Mediterranean (MED) diet modifies the bacterial population in the gut. These changes in the microbiome can bring substantial health benefits, including reduced cardiac risk.

https://www.jewishpress.com/news/israel/bgu-research-green-mediterranean-diet-mediates-weight-loss-reduces-cardiac-risk/2022/03/10/

https://genomemedicine.biomedcentral.com/articles/10.1186/s13073-022-01015-z