Eating earlier in the day for 4 days made the body more responsive to insulin in the morning, as shown by lower insulin resistance scores and increased expression of a key insulin signaling gene.

When healthy young men only eat between noon and 8pm for five days straight, it doesn't change their baseline insulin levels

After a few months of intermittent fasting, the body’s resistance to insulin drops by a measurable amount, making it easier for cells to absorb sugar from the blood.

When healthy young men only eat between noon and 8pm for five days straight, it doesn't change how their insulin levels respond after eating a high-fat meal