If Greek adults eat more unhealthy plant-based foods like white bread, soda, sweets, and fried potatoes, they’re 34% more likely to develop heart disease for every small increase in how unhealthy their diet is.

People in Greece who eat lots of healthy plant foods like whole grains, fruits, nuts, and vegetables over 10 years are much less likely to get heart disease than those who eat very little of these foods.

For Korean men over 40, eating a lot of unhealthy plant foods like sugary snacks and refined carbs doesn’t seem to raise heart disease risk for most people—but if you’re overweight or have a big belly, it might actually hurt your heart.

People in Greece who eat mostly healthy plant foods like vegetables, fruits, beans, and whole grains tend to have lower heart disease risk—even when you account for things like how old they are, whether they smoke, or how much they weigh.

In Korean men over 40 who are overweight or have a big waistline, eating more unhealthy plant-based foods like sugary snacks and refined carbs is linked to a much higher chance of having a heart attack or heart disease in the next 10 years.

People who eat a lot of unhealthy plant foods like sugary drinks, white bread, and fries have a higher chance of dying early than those who eat fewer of these foods.