Which meal is worse for your heart if you're overweight?

Eating meals high in carbohydrates can lead to a drop in blood sugar levels below the normal fasting level, resulting in reactive hypoglycemia.

Men who are overweight or obese release more insulin after eating a high-fat meal than men with normal weight, even when their blood sugar levels rise the same amount, suggesting differences in how their bodies regulate insulin that are not due to blood sugar changes.

Men who are overweight or obese tend to have higher levels of homocysteine in their blood after an overnight fast compared to men with normal weight. Eating meals high in fat or carbohydrates causes homocysteine levels to rise further in the hours after eating.

In men with overweight or obesity, eating a single meal high in fat leads to higher levels of triglycerides and homocysteine in the blood after eating than eating a meal with the same number of calories but high in carbohydrates.

Men who have overweight or obesity tend to have higher levels of triglycerides in their blood after fasting and after eating, compared to men with normal body weight, no matter whether they eat a meal high in fat or high in carbohydrates.